Addresses And Papers The Presence of Diffusing Factor among the Metabolites of Aerobic Micro-organisms Br Med J 1942; 1 doi: https://doi.org/10.1136/bmj.1.4238.409 (Published 28 March 1942) Cite this as: Br Med J 1942;1:409 Article Related content Metrics Responses Peer review Related articles No related articles found.