Beard, E., Aveyard, P., Brown, J., & West, R. (2012). Assessing the association between the use of NRT for smoking reduction and attempts to quit smoking using propensity score matching. Elsevier.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBeard, E., P. Aveyard, J. Brown, এবং R. West. Assessing the Association Between the Use of NRT for Smoking Reduction and Attempts to Quit Smoking Using Propensity Score Matching. Elsevier, 2012.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBeard, E., et al. Assessing the Association Between the Use of NRT for Smoking Reduction and Attempts to Quit Smoking Using Propensity Score Matching. Elsevier, 2012.
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