Yuguero O, Marsal JR, Buti M, Esquerda M, Soler-Gonzalez J. Descriptive study of association between quality of care and empathy and burnout in primary care. BMC Med Ethics. 2017 Sep 26;18(1):54. doi: 10.1186/s12910-017-0214-9
Liu X, Hannum E. Early poverty exposure predicts young adult educational outcomes in China. China Econ Rev. 2017 Jul;44:79-97.
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.