title: Dichlorbenzophenone as a nonradioactive tracer for cigarette smoke-gas chromatographic analysis of tracer.
mesh_terms: D000818:Animals; D001577:Benzophenones / Q000008:administration & dosage / Q000378:metabolism; D002713:Chlorine; D002849:Chromatography, Gas; D005260:Female; D006168:Guinea Pigs; D006846:Hydrocarbons, Halogenated / Q000378:metabolism; D008168:Lung / Q000378:metabolism; D008297:Male; D012906:Smoke / Q000032:analysis; D012907:Smoking; D013997:Time Factors; D014132:Trachea / Q000378:metabolism
chemical_list: D001577:Benzophenones; D006846:Hydrocarbons, Halogenated; D012906:Smoke; D002713:Chlorine