Karve SJ, Panish JM, Dirani RG, Candrilli SD. Health care utilization and costs among Medicaid-enrolled patients with schizophrenia experiencing multiple psychiatric relapses. Health Outcomes Res Med. 2012 Nov 1;3(4):e183-94.
Jick H, Hannan MT, Stergachis A, Heidrich F, Perera DR, Rothman KJ. Vaginal spermicides and gonorrhea. JAMA. 1982 Jan 1;248(13):1619-21.