TY - BOOK AU - Hill,Maisie TI - Period power: harness your hormones and get your cycle working for you SN - 9781472963611 (pbk.) : U1 - 612.662 23 PY - 2019/// CY - London PB - Green Tree KW - Menstrual cycle KW - Popular works N1 - Includes bibliographical references and index ER -