Approaches to medical geography: an historical perspective.
This paper provides a brief account of the development of various approaches to medical geography through a tree diagram. It is possible to visually present six important aspects of medical geography through this diagram: various approaches to medical geography; the approximate time of their developments; the mother approaches from which they originated; their relationships with other approaches; scale; and extent of studies done in the past.
D004813:Epidemiology / Q000266:history*; D005060:Europe; D005843:Geography; D049672:History, 19th Century; D049673:History, 20th Century; D014481:United States