Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Naoto Kuroda and Ichiro Yamasaki and Hirofumi Nakayama,Prostatic signet-ring cell carcinoma:Case report and literature review,Pathology International,13205463,Carlton South,1999-05,49,5,457-461,https://cir.nii.ac.jp/crid/1520009409037500800,