"im Juli 1980 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "L Heijl" . "Periodontal disease in gnotobiotic rats"@nl . . . "Periodontal disease in gnotobiotic rats"@nl . "Periodontal disease in gnotobiotic rats"@en . "J Lindhe" . . . "scientific article published on 01 July 1980"@en . "1980-07-01T00:00:00Z"^^ . . "15" . . "J Wennstr\u00F6m" . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xunetu de 1980"@ast . "4" . "Periodontal disease in gnotobiotic rats"@en . . "wetenschappelijk artikel"@nl . "10.1111/J.1600-0765.1980.TB00298.X" . . . . . "Periodontal disease in gnotobiotic rats"@nl . "405-419" . "6449576" . . "\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 \u043B\u0438\u043F\u043D\u0456 1980"@uk . . "S S Socransky" . . "Periodontal disease in gnotobiotic rats"@en . . . . "Periodontal disease in gnotobiotic rats"@en .