title: Effect of cigarette smoke on formaldehyde data.
mesh_terms: D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D002986:Clinical Trials as Topic; D005557:Formaldehyde / Q000009:adverse effects*; D006801:Humans; D010947:Plants, Toxic; D012120:Respiration Disorders / Q000209:etiology; D012906:Smoke / Q000009:adverse effects*; D014026:Nicotiana
chemical_list: D000395:Air Pollutants, Occupational; D012906:Smoke; D005557:Formaldehyde