Halpern JA, Thirumavalavan N, Kohn TP, Patel AS, Leong JY, Cervellione RM, Keene DJB, Ibrahim E, Brackett NL, Lamb DJ, Ramasamy R. Distribution of Semen Parameters Among Adolescent Males Undergoing Fertility Preservation in a Multicenter International Cohort. Urology. 2019 05; 127:119-123.