@article{weko_32061_1,
   author	 = "佐藤,俊哉",
   title	 = "疫学研究における交絡と効果の修飾",
   journal	 = "統計数理",
   year 	 = "1994",
   volume	 = "42",
   number	 = "1",
   pages	 = "83--101",
   month	 = "jun"
}