搜索结果: 1-1 共查到“医学 Validating estimates”相关记录1条 . 查询时间(0.078 秒)
Validating estimates of problematic drug use in England
Validating estimates problematic drug England
2008/11/28
UK Government expenditure on combatting drug abuse is based on estimates of illicit drug users, yet the validity of these estimates is unknown. This study aims to assess the face validity of problemat...