TY - GEN AU - Cruickshank,D J TI - Aetiological importance of ovulation in epithelial ovarian cancer: a population based study SN - 0959-8138 PY - 1990///1106 KW - Adult KW - Aged KW - Aged, 80 and over KW - Female KW - Humans KW - Middle Aged KW - Ovarian Neoplasms KW - etiology KW - Ovulation KW - physiology N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.301.6751.524 ER -