Candrilli SD, Davis KL, Iyer S. Impact of constipation on opioid use patterns, health care resource utilization, and costs in cancer patients on opioid therapy. J Pain Palliat Care Pharmacother. 2009 Sep 1;23(3):231-41.
Barik R, Jain S, Joshi A, Qwatra D, Tripathi GS, Goyal R. Antidiabetic activity of aqueous root extract of ichnocarpus frutescens in streptozotocin-nicotinamide induced type-II diabetes in rats. Indian J Pharmacol. 2008 Jan;40(1):19-22. doi: 10.4103/0253-7613.40484
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.