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Medicine
Sweden
2023

D-Index & Metrics

Medicine

D-Index
130
Citations
62787
World Ranking
2496
National Ranking
48

Per Ljungman publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Per Ljungman sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 746 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Per Ljungman D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Per Ljungman sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 130 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Medicine in Sweden Leader Award

Overview

Per Ljungman is affiliated with Karolinska University Hospital in Sweden and has an extensive research portfolio focused primarily on medicine, with particular attention to infectious diseases, hematology, oncology, epidemiology, and immunology. Their work spans a large number of publications centered on hematopoietic stem cell transplantation and related complications, infectious disease outcomes, and clinical impacts of COVID-19.

The researcher has contributed to several recent papers, including:

  • COVID-19 and stem cell transplantation; results from an EBMT and GETH multicenter prospective survey (2021, Leukemia)
  • The challenge of COVID-19 and hematopoietic cell transplantation; EBMT recommendations for management of hematopoietic cell transplant recipients, their donors, and patients undergoing CAR T-cell therapy (2020, Bone Marrow Transplantation)

Per Ljungman often collaborates with other researchers who frequently co-author their work. Key collaborators include Rafael de la Cámara, Małgorzata Mikulska, Jan Styczyński, Simone Cesaro, and Gloria Tridello.

Their publications are frequently found in several specialized venues, including:

  • Bone Marrow Transplantation
  • Blood
  • Leukemia
  • Frontiers in Immunology
  • Clinical Infectious Diseases

The main topics explored in Per Ljungman's research involve hematopoietic stem cell transplantation, COVID-19 clinical research studies, cytomegalovirus and herpesvirus research, SARS-CoV-2 and COVID-19 research, CAR-T cell therapy research, herpesvirus infections and treatments, and the healthcare impacts of COVID-19.

Their prominent subfields include infectious diseases, hematology, oncology, epidemiology, and immunology, highlighting a multidisciplinary approach to understanding and managing complex clinical scenarios related to transplantation and infectious complications.

Best Publications

  • 2013 IDSA Clinical Practice Guideline for Vaccination of the Immunocompromised Host

    Lorry G. Rubin;Myron J. Levin;Per Ljungman;E. Graham Davies

  • Definitions of Cytomegalovirus Infection and Disease in Transplant Recipients

    Per Ljungman;Paul Griffiths;Carlos Paya

  • Letermovir Prophylaxis for Cytomegalovirus in Hematopoietic-Cell Transplantation

    Francisco M Marty;Per Ljungman;Roy F Chemaly;Johan Maertens

  • Executive Summary: 2013 IDSA Clinical Practice Guideline for Vaccination of the Immunocompromised Host

    Lorry G. Rubin;Myron J. Levin;Per Ljungman;Per Ljungman;E. Graham Davies

  • Definitions of Cytomegalovirus Infection and Disease in Transplant Patients for Use in Clinical Trials.

    Per Ljungman;Per Ljungman;Michael Boeckh;Michael Boeckh;Hans H Hirsch;Filip Josephson

  • Cytomegalovirus in Hematopoietic Stem Cell Transplant Recipients

    Per Ljungman;Morgan Hakki;Michael Boeckh;Michael Boeckh

  • How we treat cytomegalovirus in hematopoietic cell transplant recipients

    Michael Boeckh;Per Ljungman

  • Malignant tumors occurring after treatment of aplastic anemia. European Bone Marrow Transplantation-Severe Aplastic Anaemia Working Party.

    Socié G;Henry-Amar M;Bacigalupo A;Hows J

  • Transplantation of mesenchymal stem cells to enhance engraftment of hematopoietic stem cells.

    K. Le Blanc;H. Samuelsson;B. Gustafsson;M. Remberger

  • NK cell responses to cytomegalovirus infection lead to stable imprints in the human KIR repertoire and involve activating KIRS

    Vivien Béziat;Lisa L. Liu;Jenny-Ann Malmberg;Martin A. Ivarsson

  • Allogeneic bone marrow transplantation versus autologous stem cell transplantation in multiple myeloma: a retrospective case-matched study from the European Group for Blood and Marrow Transplantation

    BB Bjorkstrand;P Ljungman;H Svensson;J Hermans

  • Allogeneic and autologous transplantation for haematological diseases, solid tumours and immune disorders: current practice in Europe 2009.

    P. Ljungman;M. Bregni;M. Brune;J. Cornelissen

  • A Randomized Trial Comparing Busulfan With Total Body Irradiation as Conditioning in Allogeneic Marrow Transplant Recipients With Leukemia: A Report From the Nordic Bone Marrow Transplantation Group

    O Ringden;T Ruutu;M Remberger;J Nikoskelainen

  • Epstein-Barr virus (EBV) load in bone marrow transplant recipients at risk to develop posttransplant lymphoproliferative disease: prophylactic infusion of EBV-specific cytotoxic T cells.

    Åsa Gustafsson;Victor Levitsky;Jie Zhi Zou;Teresa Frisan

  • Progress in allogenic bone marrow and peripheral blood stem cell transplantation for multiple myeloma: a comparison between transplants performed 1983--93 and 1994--8 at European Group for Blood and Marrow Transplantation centres.

    G. Gahrton;H. Svensson;M. Cavo;J. Apperley

  • Transfusion of pooled buffy coat platelet components prepared with photochemical pathogen inactivation treatment: the euroSPRITE trial

    Dick van Rhenen;Hans Gulliksson;Jean-Pierre Cazenave;Derwood Pamphilon

  • Management of HSV, VZV and EBV infections in patients with hematological malignancies and after SCT: guidelines from the Second European Conference on Infections in Leukemia.

    J Styczynski;P Reusser;H Einsele;R de la Camara

  • Allogeneic bone marrow transplantation in multiple myeloma

    G Gahrton;S Tura;P Ljungman;C Belanger

  • Randomized multicenter trial of foscarnet versus ganciclovir for preemptive therapy of cytomegalovirus infection after allogeneic stem cell transplantation

    Pierre Reusser;Hermann Einsele;John Lee;Liisa Volin

  • Prognostic factors in allogeneic bone marrow transplantation for multiple myeloma

    G Gahrton;S Tura;P Ljungman;J Bladé

Frequent Co-Authors

Olle Ringdén
Olle Ringdén Karolinska Institute
Catherine Cordonnier
Catherine Cordonnier Paris-Est Créteil University
Gérard Socié
Gérard Socié Université Paris Cité
Dietger Niederwieser
Dietger Niederwieser Leipzig University
Arnon Nagler
Arnon Nagler Sheba Medical Center
Jakob Passweg
Jakob Passweg University Hospital of Basel
Nicolaus Kröger
Nicolaus Kröger Universität Hamburg
Myriam Labopin
Myriam Labopin Université Paris Cité

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