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.
Melendez J, Galli I, Boric K, Ortega A, Zuniga L, Henriquez-Roldan CF, Cardenas AM. Zolpidem and triazolam do not affect the nocturnal sleep-induced memory improvement. Psychopharmacology (Berl). 2005 Aug;181(1):21-6. doi: 10.1007/s00213-005-2228-0
Chen XH, Rodríguez S, Hawe E, Talmud PJ, Miller GJ, Underhill P, Humphries SE, Day IN. Evidence of admixture from haplotyping in an epidemiological study of UK Caucasian males: implications for association analyses. Hum Hered. 2004;57(3):142-55.
Dykstra LA, Granger AL, Allen RM, Zhang X, Rice KC. Antinociceptive effects of the selective delta opioid agonist SNC80 alone and in combination with mu opioids in the squirrel monkey titration procedure. Psychopharmacology (Berl). 2002 Oct 1;163(3-4):420-9.