title: [A ring dilator of the anus].
authors.forename: V V
authors.initials: VV
authors.lastname: Stavitskiĭ
mesh_terms: D004106:Dilatation / Q000295:instrumentation; D004867:Equipment Design; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D013525:Surgical Instruments
vernacular_title: Kol'tso-rasshiritel' zadnego prokhoda.