title: [In vitro and in vivo studies on sperm penetration in cervical infertility].
mesh_terms: D000284:Administration, Oral; D002465:Cell Movement; D002582:Cervix Mucus; D003075:Coitus; D003460:Crystallization; D004967:Estrogens / Q000008:administration & dosage / Q000627:therapeutic use; D005260:Female; D005306:Fertilization; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis* / Q000188:drug therapy; D008297:Male; D008722:Methods; D011247:Pregnancy; D013094:Spermatozoa / Q000502:physiology*; D014599:Uterus
chemical_list: D004967:Estrogens
vernacular_title: In-vitro- und In-vitro-Untersuchungen zur Spermienpenetration bei zervikalbedingter Sterilität.