×
模态框(Modal)标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框(Modal)标题
在这里添加一些文本
Close
ISSN 1673-5765 CN 11-5434/R
Toggle navigation
Home
About Journal
Editorial Board
Journal Online
Guidelines
Open Access
Contact Us
中文
The Significance, Calculation Methods and Attention about Sample Size in the Clinical Research
DONG Fen;LI Chao;PENG Xiao-Xia;et al
. 2009, (
10
): 854 -859 .