. "Colonoscopy or barium enema as initial investigation of colonic disease"@en . . . . . . . . "2887839" . . . "N S Williams" . "im September 1987 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "P M Weston" . "Colonoscopy or barium enema as initial investigation of colonic disease"@en . . . "Colonoscopy or barium enema as initial investigation of colonic disease"@en . . . . . "549-551" . . . . . . . . . . "10.1016/S0140-6736(87)92931-X" . . "1987-09-01T00:00:00Z"^^ . "scientific article published on 01 September 1987"@en . . . . "2" . . . "Colonoscopy or barium enema as initial investigation of colonic disease"@en . "article scientifique publi\u00E9 en 1987"@fr . . . . "P Durdey" . . . "8558" . . . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0443 \u0432\u0435\u0440\u0435\u0441\u043D\u0456 1987"@uk . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en setiembre de 1987"@ast . . .