Filtering by: Affiliation Obstetrics and Gynecology, Reproductive Sciences Remove constraint Affiliation: Obstetrics and Gynecology, Reproductive Sciences Creator Whitaker, Regina Remove constraint Creator: Whitaker, Regina Creator Sfakianos, Gregory Remove constraint Creator: Sfakianos, Gregory Creator Huang, Zhiqing Remove constraint Creator: Huang, Zhiqing Subject Beta-value Remove constraint Subject: Beta-value