1. A study in smoking withdrawal;Delarue, N.C.;Can J Pub Health,1973
2. Carbon monoxide blood levels and reported cessation of smoking;Ohlin, P.; Lundh, B.; Westling, H.;Psychopharmacology,1976
3. Deception among smokers;Sillett, R.W.; Wilson, M.B.; Malcolm, R.E.; Ball, K.P.;Br Med J,1978
4. Verification of smoking history in patients after infarction using urinary nicotine and cotinine measurements;Wilcox, R.G.; Hughes, J.; Roland, J.;Br Med J,1979
5. Expired air carbon monoxide and serum thiocyanate as objective measures of cigarette exposure;Vogt, T.M.; Selvin, S.; Widdowson, G.; Hulley, S.B.;Am J Pub Health,1977