Secretion produced by the cervical glands whose properties vary during the menstrual cycle and influence fertility

Die Schleimhaut der inneren weiblichen Geschlechtstheile im Wirbelthierreich : Inaugural-Dissertation ... / Otto Nasse.

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Cervix Mucus

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Die Schleimhaut der inneren weiblichen Geschlechtstheile im Wirbelthierreich : Inaugural-Dissertation ... / Otto Nasse.