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A multicenter clinical study on two types of levonorgestrel tablets administered for postcoital contraception
He Chang-hai, Shi Yong-en, Xu Jian-qiu, P.F.A. Van LookVolume:
36
Year:
1991
Language:
english
DOI:
10.1016/0020-7292(91)90177-7
File:
PDF, 655 KB
english, 1991