Ovarian and Uterine Findings in Pelvic Sonography Comparison Between Prepubertal Girls, Girls With Isolated Thelarche, and Girls With Central Precocious Puberty - Herter, L D; Golendziner, E; Flores, J A; Moretto, M; Di Domenico, K; Becker, E; Spritzer, P M (J Ultrasound Med, 2002)