Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iwama Eiji and Okamoto Isamu,Clinical Benefits Associated with First Line Treatment Using Afatinib,Haigan,0386-9628,The Japan Lung Cancer Society,2015,55,6,866-870,https://cir.nii.ac.jp/crid/1390282679660162176,https://doi.org/10.2482/haigan.55.866