TY - GEN AU - Kumle,Merethe AU - Weiderpass,Elisabete AU - Alsaker,Elin AU - Lund,Eiliv TI - Use of hormonal contraceptives and occurrence of pregnancy-related pelvic pain: a prospective cohort study in Norway SN - 1471-2393 PY - 2004/// PB - BMC pregnancy and childbirth N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/1471-2393-4-11 ER -