RT Journal Article SR Electronic T1 Granulome induit par la mine d’un crayon JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E511 OP E512 DO 10.1503/cmaj.211094-f VO 194 IS 13 A1 Matsuoka, Ko A1 Tanaka, Ryota A1 Nomura, Toshifumi YR 2022 UL http://www.cmaj.ca/content/194/13/E511.abstract