Piperkov, T [Colposcopic, cytological and isotopic methods in the early diagnosis of cancer of the cervix uteri]. [electronic resource] - Akusherstvo i ginekologiia 1977 - 284-9 p. digital Publication Type: Comparative Study; English Abstract; Journal Article ISSN: 0324-0959 Subjects--Topical Terms: Colposcopy--methodsFemaleHumansPhosphorus RadioisotopesTime FactorsUterine Cervical Neoplasms--diagnosisVaginal Smears--methods