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[100], 'Results': [101], 'A': [102], 'total': [103], '114': [105], 'females': [106], '14': [108], 'males': [109], 'aged': [110], '51.2': [111], '±': [112], '14.9': [113], 'Mean': [116], 'duration': [117], 'symptoms': [119], 'four': [121], 'years.': [122], 'Moderate': [123], 'reported': [127], 'minority': [130], 'patients.': [132, 144, 161, 199], 'DAS-28': [133], 'at': [134], 'first': [135], 'visit': [136], '>5.1': [138], 'HAQ': [140], '≥0.5': [141], 'all': [143], 'X-rays': [145], 'showed': [146], 'joint': [147, 150], 'erosions': [148], 'and/or': [149, 163], 'space': [151], 'narrowing,': [152], 'mostly': [153], 'moderate': [156], 'grade': [157], '55.8%': [159], 'Anti-CCP': [162], 'RF': [164, 195], 'present': [166], '48.6%': [168], 'with': [171, 232], 'available': [172], 'data': [173], '(': [174, 183], 'n': [175, 184], '=': [176, 185], '72)': [177], '3.0%': [180], '67).': [186], 'Radiographic': [187], 'changes': [188], 'nodules': [190], 'more': [192], 'frequent': [193], 'or': [196], 'anti-CCP': [197, 251], 'positive': [198], 'One': [200], 'copy': [201], 'shared': [204, 281], 'epitope': [205], 'found': [207, 219], '13': [209], '(35.1%)': [211], '3': [213], '(12.5%).': [215], 'Two': [216], 'copies': [217], 'one': [221, 226], 'patient': [222], '(2.7%)': [223], 'control': [227], '(4.2%).': [228], 'Conclusion': [229], 'Congolese': [230, 275], 'RA': [233], 'consult': [234], 'long': [235], 'after': [236], 'disease': [237], 'onset.': [238], 'Despite': [239], 'this': [240], 'delay,': [241], 'majority': [243], 'presents': [244], 'without': [245], 'major': [246], 'damage': [247], 'RF,': [250], 'SE': [253], 'negative.': [254], 'We': [255], 'put': [256], 'forward': [257], 'hypothesis': [259], 'that': [260], 'besides': [261], 'different': [262, 277], 'environmental': [263], 'factors': [264], 'there': [265], 'probably': [267], 'also': [268], 'particular': [270], 'genetic': [271], 'risk': [272], 'profile': [273], 'patients,': [276], 'from': [278], 'epitope.': [282]}, 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