Memphis Girls health Enrichment Multi-site Studies (GEMS): Phase 2: design and baseline.
Klesges RC, Obarzanek E, Klesges LM, Stockton MB, Beech BM, Murray DM, Lanctot JQ, Sherrill-Mittleman DA. Memphis Girls health Enrichment Multi-site Studies (GEMS): Phase 2: design and baseline. Contemp Clin Trials. 2008 Jan; 29(1):42-55.