John Duffy (1915–1996) was an American medical historian who wrote books and scholarly journal articles on the history of medical education, public health and epidemics.
John Duffy (1915–1996) was an American medical historian who wrote books and scholarly journal articles on the history of medical education, public health and epidemics. (en)
John Duffy (1915–1996) was an American medical historian who wrote books and scholarly journal articles on the history of medical education, public health and epidemics. (en)