阿坝州某卫生学校一年级学生患龋情况的调查
马向玉,李勇艳,李建华,芶洋,马科院
Investigation of dental caries among first-year students in a health school in Aba Prefecture
MA Xiang-yu, LI Yong-yan, LI Jian-hua, GOU Yang, MA Ke-yuan
中国校医 . 2021, (3): 182 -184,190 .