Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Goodarz Danaei and Luis A García Rodríguez and Oscar Fernández Cantero and Roger Logan and Miguel A Hernán,Observational data for comparative effectiveness research: An emulation of randomised trials of statins and primary prevention of coronary heart disease,Statistical Methods in Medical Research,0962-2802,SAGE Publications,2011-10-19,22,1,70-96,https://cir.nii.ac.jp/crid/1363670318190331776,https://doi.org/10.1177/0962280211403603