【作者(必填)】Müller HH[size=0.8461em]1, Schäfer H.

【文题(必填)】A general statistical principle for changing a design any time during the course

【年份(必填)】2004

【全文链接或数据库名称(选填)】https://www.ncbi.nlm.nih.gov/pub ... e+during+the+course