title: [Urethral valves in boys].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008297:Male; D014521:Urethra / Q000002:abnormalities* / Q000601:surgery
vernacular_title: Klapany mochespuskatel'nogo kanala u mal'chikov