title: Medical geography: MDs should pay heed to "airs, waters, places".
authors.forename: D
authors.initials: D
authors.lastname: Helwig
mesh_terms: D000368:Aged; D000388:Air; D005843:Geography; D006801:Humans; D007938:Leukemia / Q000453:epidemiology; D008297:Male; D010575:Pesticides / Q000009:adverse effects; D010820:Physicians; D011792:Quebec; D012424:Rural Population; D014867:Water
chemical_list: D010575:Pesticides; D014867:Water