河南省中学生严重伤害发生现况
李凤娟 ,孙经,何健,杨汴生,王旭
Crosssectional investigation of serious injuries among middle school students in Henan Province
LI Feng-juan, SUN Jing, HE Jian, et al.
中国校医 . 2018, (2): 109 -111 .