Wang Y, Zhao Y, Cui Y, Zhao Q, Zhang Q, Musetti S, Kinghorn KA, Wang S. Overcoming multiple gastrointestinal barriers by bilayer modified hollow mesoporous silica nanocarriers. Acta Biomater. 2018 Jan;65:405-16. doi: 10.1016/j.actbio.2017.10.025
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.
Demopoulos L, Polinsky M, Steele G, Mines D, Blum M, Caulfield M, Adamkovic A, Liu Q, Harler MB, Hahn C, Singh A. Reduced risk of cytomegalovirus infection in solid organ transplant recipients treated with sirolimus: a pooled analysis of clinical trials. Transplant Proc. 2008 Jun;40(5):1407-10. doi: 10.1016/j.transproceed.2008.03.084