Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTo the Editor.AuthorsCavalcanti, Alexandre B.; Damiani, Lucas P.; Bozza, Fernando A.AbstractA letter to the editor is presented on the several types of clinical trials such as the SPLIT trial and the cluster randomized trials.SubjectsCLINICAL trials; CLUSTER analysis (Statistics)PublicationJAMA: Journal of the American Medical Association, 2016, Vol 315, Issue 14, p1520ISSN0098-7484Publication typeLetter to the Editor