title: Electronic recording, self-report, and bias in measuring cigarette consumption.
authors.forename: John P
authors.initials: JP
authors.lastname: Pierce
mesh_terms: D000328:Adult; D015982:Bias; D001944:Breath Tests; D002248:Carbon Monoxide / Q000032:analysis; D034201:Computers, Handheld; D003367:Cotinine / Q000032:analysis; D003625:Data Collection / Q000706:statistics & numerical data*; D005260:Female; D014943:Global Health; D006801:Humans; D008297:Male; D011939:Mental Recall; D008875:Middle Aged; D012463:Saliva / Q000737:chemistry; D012907:Smoking / Q000453:epidemiology*; D016540:Smoking Cessation / Q000706:statistics & numerical data*
chemical_list: D002248:Carbon Monoxide; D003367:Cotinine