[Concerning the letter to the Editor by Ia.D. Vitebskiĭ ("Khirurgiia", 1990, No. 3)].
Fedorov
A V
AV
D002908:Chronic Disease; D004380:Duodenal Obstruction / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D006801:Humans; D008365:Manometry
Po povodu pis'ma v redaktsiiu Ia.D. Vitebskogo ("Khirurgiia", 1990, No. 3).