Prosaic 发表于 2025-3-26 22:08:05

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AORTA 发表于 2025-3-27 02:52:15

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极为愤怒 发表于 2025-3-27 09:09:31

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ambivalence 发表于 2025-3-27 12:48:12

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refraction 发表于 2025-3-27 16:41:58

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易弯曲 发表于 2025-3-27 20:02:22

Billings natural FP method: correlation of subjective signs with ovulation and cervical mucus qualithe clinical efficacy of the Billings method, but to correlate the subjective feelings, reported by the women, with actual cervical mucus quality, e.g. penetrability, as well as the actual time of ovulation.

paragon 发表于 2025-3-27 22:53:40

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冬眠 发表于 2025-3-28 05:43:23

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Employee 发表于 2025-3-28 08:32:17

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步兵 发表于 2025-3-28 13:41:44

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查看完整版本: Titlebook: Research in Family Planning; J. Bonnar,W. Thompson,R. F. Harrison Book 1984 MTP Press Limited 1984 contraception.fertility.hormones.infert