title: Ecologic illness. Investigation by provocative tests with foods and chemicals 1963-1970.
mesh_terms: D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004342:Drug Hypersensitivity / Q000175:diagnosis*; D004781:Environmental Exposure; D004782:Environmental Health; D005260:Female; D005512:Food Hypersensitivity / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged