某高校506名离退休职工牙齿楔状缺损的调查分析
聂红永,董红,聂红兵
Investigation of wedge-shaped defects of 506 retiree people in a university
NIE Hong-yong, DONG Hong, NIE Hong-bing
中国校医 . 2018, (1): 42 -43,45 .