A detailed analysis of menstrual blood loss in women using Norplant and Nestorone progestogen-only contraceptive implants or vaginal rings
Reference
Fraser IS, Weisberg E, Minehan E, Johansson ED, 2000,
A detailed analysis of menstrual blood loss in women using Norplant and Nestorone progestogen-only contraceptive implants or vaginal rings, Contraception, 61(4) 241-51