title: [Hemoptysis of obscure etiology].
mesh_terms: D000328:Adult; D000368:Aged; D001995:Bronchography; D001999:Bronchoscopy; D005260:Female; D006469:Hemoptysis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: K voprosu o krovokharkan'iakh neiasnoĭ étiologii.