RT Journal Article SR Electronic T1 Tattoo-induced systemic sarcoidosis JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e237723 DO 10.1136/bcr-2020-237723 VO 13 IS 8 A1 Hisako Kushima A1 Yoshiaki Kinoshita A1 Hiroshi Ishii A1 Masaki Fujita YR 2020 UL http://casereports.bmj.com/content/13/8/e237723.abstract AB