Mirko Dražen Grmek (9 January 1924 – 6 March 2000) was a Croatian and Frenchhistorian of medicine, writer and scientist. He was one of the pioneers and founders of the history of medicine. His entire opus promotes the historical research of medical knowledge and practices by means of contemporary scientific methods, especially the study of the formation of ideas in specific societies and periods. He put forward the theory of ''pathocenosis'', the coexistence of all diseases in a specific time, place and society.
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