The frequency of anovulatory menstruation as determined by endometrial biopsy

Arthur B. Levan, Paul B. Szanto
In: American Journal of Obstetrics and Gynecology · 1944 · vol. 48(1) , pp. 75–80 · doi:10.1016/s0002-9378(44)90546-6 · W1574770935
article OA: closed CC0 ⤵ 2 in-corpus citations
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last seen: 2026-06-10T17:14:06.276822+00:00
License: CC0 · commercial use OK