For citations:

Lyubskaya L.A., Kolesnikova I.Yu., Masyukov S.A. THE CLINICAL MANIFESTATIONS AND COURSE OF DUODENAL ULCER DISEASE AFTER PERFORATED ULCER. The Clinician. 2014;8(1):42-46. (In Russ.) https://doi.org/10.17650/1818-8338-2014-1-42-46