Premature onset of menstrual bleeding during ovulatory cycles in women with an intrauterine contraceptive device
1973 ◽
Vol 117
(7)
◽
pp. 971-975
◽
2018 ◽
Vol 23
(4)
◽
pp. 496-500
2021 ◽
Vol 2
(2)
◽
pp. 184-193
1971 ◽
Vol 1
(23)
◽
pp. 1243-1244