. . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@en . "10562375" . . . . . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@nl . . "wetenschappelijk artikel"@nl . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en setiembre de 1999"@ast . "\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 1999"@uk . . "article scientifique publi\u00E9 en 1999"@fr . . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@en . "10.1053/BERH.1999.0034" . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@en . . "scientific article published on 01 September 1999"@en . . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@nl . . . "1999-09-01T00:00:00Z"^^ . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@nl . "13" . . "Is fibromyalgia a distinct clinical entity? The clinical investigator's evidence"@en . . . . "3" . "445-454" . "I J Russell" .