title: [An experimental study on the ethanol ratio of breath to blood].
mesh_terms: D000328:Adult; D001944:Breath Tests / Q000295:instrumentation; D002849:Chromatography, Gas; D000431:Ethanol / Q000032:analysis* / Q000097:blood; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors
chemical_list: D000431:Ethanol