. . . "The variation phenomenon in 1994"@nl . . "10.1056/NEJM199410133311511" . . . . . . "The variation phenomenon in 1994"@en . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'ochobre de 1994"@ast . "The variation phenomenon in 1994"@nl . "The variation phenomenon in 1994"@en . "1017-1018" . "scientific article published on 01 October 1994"@en . "The variation phenomenon in 1994"@nl . . "15" . . "331" . . . . "\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 \u0432 \u0436\u043E\u0432\u0442\u043D\u0456 1994"@uk . "8084342" . "1994-10-01T00:00:00Z"^^ . "The variation phenomenon in 1994"@en . "The variation phenomenon in 1994"@en . . "Blumenthal D" . "article scientifique publi\u00E9 en 1994"@fr . . . "im Oktober 1994 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "wetenschappelijk artikel"@nl . .