title: Some clinical and histologic observations on precanceroses of the portio vaginalis uteri; with special reference to the frequency of the development of cancer.
authors.forename: O
authors.initials: O
authors.lastname: PETERSEN
mesh_terms: D002584:Cervix Uteri; D005260:Female; D006801:Humans; D009369:Neoplasms; D014594:Uterine Neoplasms