Alternatives to the randomized controlled trial.
West SG, Duan N, Pequegnat W, Gaist P, Des Jarlais DC, Holtgrave D, Szapocznik J, Fishbein M, Rapkin B, Clatts M, Mullen PD.
West SG, et al.
Am J Public Health. 2008 Aug;98(8):1359-66. doi: 10.2105/AJPH.2007.124446. Epub 2008 Jun 12.
Am J Public Health. 2008.
PMID: 18556609
Free PMC article.