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 Niklas Hammar sits on this spectrum.
This scientist: 318 publications — 21st percentile
21% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,796 publications or more.
The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Niklas Hammar sits on this spectrum.
This scientist: 77 D-Index — 10th percentile
10% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 217 D-Index or more.
Niklas Hammar is affiliated with the Karolinska Institute in Sweden and has an extensive publication record focused primarily on medicine. Their research spans several subfields including endocrinology, diabetes and metabolism, epidemiology, cardiology and cardiovascular medicine, hepatology, and molecular biology.
Hammar's recent published papers cover a variety of topics related to liver disease, metabolic disorders, cancer, and epidemiology. Notable publications include:
Frequent co-authors in Hammar's work include Göran Walldius, Hannes Hagström, Mats Talbäck, Kamlesh Khunti, and Hungta Chen.
Hammar's research contributions are often published in journals such as the Journal of Hepatology, Diabetes Research and Clinical Practice, Diabetes Obesity and Metabolism, PLoS Medicine, and GeroScience.
The scientist's work covers key topics including:
In total, Hammar has contributed to 148 publications in medicine, with a notable focus on 41 publications in endocrinology, diabetes and metabolism and 23 in epidemiology. Their work also includes 14 publications each in cardiology and cardiovascular medicine, hepatology, and molecular biology.
Björn Wettermark;Björn Wettermark;Niklas Hammar;Niklas Hammar;C. MichaelFored;Andrejs Leimanis
Mikhail Kosiborod;Matthew A. Cavender;Alex Z. Fu;John P. Wilding
Leif Friberg;Niklas Hammar;Niklas Hammar;Mårten Rosenqvist
Mikhail Kosiborod;Carolyn S.P. Lam;Shun Kohsaka;Dae Jung Kim;Dae Jung Kim
Richard Peter;Lars Alfredsson;Niklas Hammar;Johannes Siegrist
I. Holme;A. H. Aastveit;N. Hammar;N. Hammar;I. Jungner
S. Carlsson;S. Carlsson;N. Hammar;N. Hammar;V. Grill
Kamlesh Khunti;Marilia B. Gomes;Stuart Pocock;Marina V. Shestakova
Niklas Hammar;Lars Alfredsson;Mans Rosen;Curt-Lennart Spetz
Leif Friberg;Niklas Hammar;Niklas Hammar;Mattias Ringh;Hans Pettersson
Sofia Carlsson;Niklas Hammar;Valdemar Grill;Jaakko Kaprio
A Rosengren;C L Spetz;M Köster;N Hammar
E. E. Agardh;S. Carlsson;A. A. Ahlbom;S. Efendic
Mikhail Kosiborod;Marilia B Gomes;Antonio Nicolucci;Stuart Pocock
Eero Pukkala;Rafael Aspholm;Anssi Auvinen;Harald Eliasch
Ishan Hirji;Zhenchao Guo;Susan W. Andersson;Niklas Hammar
Leif Friberg;Niklas Hammar;Niklas Hammar;Hans Pettersson;Mårten Rosenqvist
Niklas Hammar;Lars Alfredsson;Jeffrey V. Johnson
Hajo Zeeb;Maria Blettner;Ingo Langner;Gaël P. Hammer
Daniela Mariosa;Niklas Hammar;Håkan Malmström;Caroline Ingre
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