Bartnik, W [Significance of coloscopy in the diagnosis of colonic stenosis]. [electronic resource] - Polskie Archiwum Medycyny Wewnetrznej Nov 1977 - 415-8 p. digital Publication Type: English Abstract; Journal Article Subjects--Topical Terms: AdultAgedColonColon, SigmoidColonic Diseases--diagnosisConstriction, Pathologic--diagnosisEndoscopyFemaleHumansMaleMiddle Aged