[Occurrence of leeches in the upper respiratory tract and esophagus and methods of extraction].
D000818:Animals; D004947:Esophagus; D006801:Humans; D007830:Larynx; D007865:Leeches; D014132:Trachea; D012122:Ventilators, Mechanical
ESOPHAGUS; LEECHES; RESPIRATORS
Piiavki v lororganakh i sposoby ikh izvlecheniia.