Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takayama Shigemitsu and Kataoka Naoyuki and Usui Yutaka and Inase Naohiko and Natori Yuji and Nakayama Morito and Miura Hirotaro and Kimula Yuji,CA 19-9 in patients with benign pulmonary diseases.,The Japanese journal of thoracic diseases,0301-1542,The Japanese Respiratory Society,1990,28,10,1326-1331,https://cir.nii.ac.jp/crid/1390282679995532800,https://doi.org/10.11389/jjrs1963.28.1326