Trial of Calcium for Preeclampsia Prevention (CPEP): Rationale, design, and methods

Richard J. Levine, Joy R. Esterlitz, Elizabeth G. Raymond, Rebecca DerSimonian, John C. Hauth, L. Ben Curet, Baha M. Sibai, Patrick M. Catalano, Cynthia D. Morris, John D. Clemens, Marian G. Ewell, Steven A. Friedman, Robert L. Goldenberg, Sig Linda Jacobson, Gary M. Joffe, Mark A. Klebanoff, Alice S. Petrulis, Jose G. Rigau-Perez