title: Clinical ecology.
authors.forename: G E
authors.initials: GE
authors.lastname: Shambaugh
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005512:Food Hypersensitivity / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D012220:Rhinitis / Q000175:diagnosis / Q000209:etiology*; D012852:Sinusitis / Q000175:diagnosis / Q000209:etiology*