Articles Effect of Vitamin K on Hypoprothrombinaemia Induced by Dicoumarol and Tromexan Br Med J 1952; 1 doi: https://doi.org/10.1136/bmj.1.4755.412 (Published 23 February 1952) Cite this as: Br Med J 1952;1:412 Article Related content Metrics Responses Peer review Related articles No related articles found.