ClinicalTrials.gov建库以来儿童临床试验注册现况横断面调查
李佳 严恺 孔艳婷 叶晓峰 葛萌萌 张崇凡
A cross-sectional study of children clinical trials registration in the world based on ClinicalTrials.gov establishment
LI Jia,YAN Kai, KONG Yan-ting, YE Xiao-feng,GE Meng-meng, ZHANG Chong-fan
中国循证儿科杂志
.
2016, (1): 3
-7
.
