中国计划生育学杂志
  调查研究 本期目录 | 过刊浏览 | 高级检索 |
978名在校青少年性行为发生情况及避孕知识调查
重庆医科大学附属第二医院(401336)
Survey of the situation of sexual behavior and contraceptive knowledge of 978 adolescents from school
The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 401336