TY - BOOK AU - SPEROFF, L . AU - FRITZ, M . TI - CLINICAL GYNAECOLOGIC ENDOCRINOLOGY & INFERTILITY / SN - 0781767245 U1 - 618.1 PY - 2005/// CY - NULL : PB - LIPPINCOTT WILLIAMS & WILKINS , KW - OBST.GYNE ER -