BERNOTH, E [Examination of the changes in size of the portio vaginalis in the diagnosis of sterility]. [electronic resource] - Archiv fur Gynakologie 1957 - 289-91 p. digital Publication Type: Journal Article ISSN: 0003-9128 Standard No.: 10.1007/BF00990693 doi Subjects--Topical Terms: Cervix Uteri--anatomy & histologyFemaleHistological TechniquesHumansInfertilityInfertility, Female--diagnosisUterus