Journal of International Reproductive Health/Family Planning
Wang C;Nieschlage E;Swerdloff R;Behre HM;Hellstrom WJ;Gooren LJ;Kaufman JM;Legros JJ;Lunenfeld B;Morales A;Morley JE;Schulman C;Thompson IM;Weidner W;Wu FCW
Journal of International Reproductive Health/Family Planning . 2011, (1): 29 -32 .