^pof;
Basic;
Medical;
Sciences;
Chinese;
Academy;
of;
Medical;
Sciences,School;
of;
Basic;
Medicine;
Peking;
Union;
Medical;
College,Beijing;
100005,China;
^pCenter;
for;
Disease;
Control;
&;
Prevention,Haikou;
570203,Hainan,China;
^pDepartment;
of;
Hainan;
Province,Haikou;
570203,Hainan,China;
艾滋病毒; 农村学生; 农村小学; 教育水平; 生活; 预防; 基础; 实验课程;