title: Environmental control.
mesh_terms: D000328:Adult; D001985:Bronchial Provocation Tests; D002648:Child; D004780:Environment, Controlled; D005215:Fasting; D005512:Food Hypersensitivity / Q000175:diagnosis / Q000209:etiology; D006760:Hospitalization; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology / Q000628:therapy*