Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Babazono Akira and Tsuda Toshihide and Mino Yoshio and Yamamoto Eiji,Bias in an Observational Study on Population,健康科学,03877175,"Institute of Health Science,Kyushu University",1995-02-25,17,,35-42,https://cir.nii.ac.jp/crid/1390290699812033920,https://doi.org/10.15017/626