We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRelation of study design to recruitment and retention in CTN trials.AuthorsWakim PG; Rosa C; Kothari P; Michel MEPublicationThe American journal of drug and alcohol abuse, 2011, Vol 37, Issue 5, p426ISSN1097-9891Publication typearticleDOI10.3109/00952990.2011.596972