What is 4M

4M is short for 4Medicine. 4M is a free email service that gives you a weekly overview of the last published abstracts of original articles, trials and reviews in the four leading medical journals, The New England Journal of Medicine, The Lancet, The BMJ, JAMA: The Journal of the American Medical Association. It's easy to do and knowledge is for everyone, so sign up now.

/NEJM
Impact Factor 74.699 (2019)
One of the most prestigious medical journals in the world. Founded in 1812. Published by the Massachusetts Medical Society.
/The%20Lancet
Impact Factor 60.392 (2019)
A respected British medical journal. The Lancet has several specialized editions (which are not included in 4M). Founded in 1823. Published by Elsevier.
/The%20BMJ
Impact Factor 30.223 (2019)
A leading British medical journal. The BMJ publishes research papers through Open Access. Founded in 1840. Published by BMJ Publishing Group.
/JAMA
Impact Factor 45.540 (2019)
A renowned American medical journal. JAMA has several specialized editions (which are not included in 4M). Founded in 1883. Published by the American Medical Association.

Editorial Team 4M

/E.H.%20Groenland<sup>%20MD</sup>
E.H. Groenland MD
E.H. Groenland is Editor in Chief of 4Medicine. She works as a PhD student in the field of Hypertension at the University Medical Center Utrecht in Utrecht.
/V.G.%20Pluimakers<sup>%20MD</sup>
V.G. Pluimakers MD
V.G. Pluimakers is editor of 4M. He works as a PhD-candidate at the Princess Máxima Center for Pediatric Oncology in Utrecht.
/C.E.%20Rinnooy%20Kan<sup>%20BSc</sup>
C.E. Rinnooy Kan BSc
C.E. Rinnooy Kan is editor of 4M. She studies Medicine at the Leiden University Medical Centre.
/R.E.S.%20Geels<sup>%20BSc</sup>
R.E.S. Geels BSc
R.E.S. Geels is editor of 4M. She studies Medicine at the Leiden University Medical Centre.
/L.%20Heerdink<sup>%20BSc</sup>
L. Heerdink BSc
L. Heerdink is editor of 4M. She studies Medicine at the Leiden University Medical Center.
/L.J.%20van%20Heurn<sup>%20BSc</sup>
L.J. van Heurn BSc
L.J. van Heurn is editor of 4M. She studies Medicine at the Leiden University Medical Centre.

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