TY - Chinese Medical Sciences Journal A1 - Jing-hua Zhang* T1 - Applicability of Community Periodontal Index Teeth and Random Half-mouth Examination to Gingival Bleeding Assessment in Untreated Adult Population in Beijing Y1 - 2012-03-30 JF - Chinese Medical Sciences Journal JO - Chinese Medical Sciences Journal SP - 41 EP - 45 VL - 27 IS - 1 UR - http://cmsj.cams.cn N1 - 10.1016/S1001-9294(12)60021-2 ER -