title: Human ecology in medicine.
mesh_terms: D004463:Ecology / Q000266:history; D004782:Environmental Health; D005163:Factor Analysis, Statistical; D005260:Female; D006666:History of Medicine; D006801:Humans; D008297:Male; D010568:Peru; D011159:Population Surveillance; D011634:Public Health; D012040:Regional Health Planning; D012939:Social Planning