title: I am a chemical.
authors.forename: M H
authors.initials: MH
authors.lastname: Zwerling
mesh_terms: D000437:Alcoholism / Q000209:etiology; D006801:Humans; D010815:Physician Impairment; D012907:Smoking / Q000009:adverse effects; D019966:Substance-Related Disorders / Q000209:etiology*