RT Journal Article SR Electronic T1 Inguinal mass in a 4-month-old boy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E845 OP E845 DO 10.1503/cmaj.200056 VO 192 IS 29 A1 Valerie J. Waters A1 Reto M. Baertschiger A1 Ian Kitai YR 2020 UL http://www.cmaj.ca/content/192/29/E845.abstract