Hao Q, Segel JE, Gusani NJ, Hollenbeak CS. Do-not-resuscitate orders and outcomes for patients with pancreatic cancer. J Pancreat Cancer. 2022 Oct 6;8(1):15-24. doi: 10.1089/pancan.2022.0006
Britt DM, Cohen LM, Collins FL, Cohen ML. Cigarette smoking and chewing gum: response to a laboratory-induced stressor. Health Psychol. 2001 Sep 1;20(5):361-8.