Sialic acid levels and scanning electronmicroscopy of cervical mucus.
D002582:Cervix Mucus / Q000032:analysis / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D009439:Neuraminidase / Q000494:pharmacology; D012794:Sialic Acids / Q000032:analysis*; D013997:Time Factors
D012794:Sialic Acids; D009439:Neuraminidase