title: Letter: Placidyl and pulmonary effects.
mesh_terms: D000328:Adult; D004984:Ethchlorvynol / Q000506:poisoning*; D006801:Humans; D008297:Male; D011650:Pulmonary Alveoli / Q000187:drug effects*; D012131:Respiratory Insufficiency / Q000139:chemically induced*; D019966:Substance-Related Disorders
chemical_list: D004984:Ethchlorvynol