RT Journal Article SR Electronic T1 The authors respond to: “Questions on analysis of firearm injuries study” JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E753 OP E753 DO 10.1503/cmaj.733042 VO 189 IS 21 A1 Natasha R. Saunders A1 Astrid Guttmann YR 2017 UL http://www.cmaj.ca/content/189/21/E753.abstract