Cueto HT, Riis AH, Hatch EE, Wise LA, Rothman KJ, Sørensen HT, Mikkelsen EM. Folic acid supplementation and fecundability: a Danish prospective cohort study. Eur J Clin Nutr. 2016 Jan;70(1):66-71. doi: 10.1038/ejcn.2015.94
Goyal RK, Patel JG, Sansgiry SS. Pharmacists perceptions of drug reimbursement rates and processing times among managed care plans. Drug benefit trends: a publication for manager and health professionals in hmos and ppos. 2010;22(4):116-20.
Zhou X, Nonnemaker J, Sherrill B, Gilsenan AW, Coste F, West R. Attempts to quit smoking and relapse: factors associated with success or failure from the ATTEMPT cohort study. Addict Behav. 2009 Apr 1;34(4):365-73.
Niaura R, Shadel WG, Britt DM, Abrams DB. Response to social stress, urge to smoke, and smoking cessation. Addict Behav. 2002 Mar 1;27(2):241-50.
Cohen LM, Britt DM, Collins FL, Al'Absi M, McChargue DE. Multimodal assessment of the effect of chewing gum on nicotine withdrawal. Addict Behav. 2001 Mar 1;26(2):289-95.
Cohen LM, Collins FL, Britt DM. The effect of chewing gum on tobacco withdrawal. Addict Behav. 1997 Nov 1;22(6):769-73.