RT Journal Article SR Electronic T1 Lyme carditis and atrioventricular block JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E622 OP E622 DO 10.1503/cmaj.171452 VO 190 IS 20 A1 Douglas Wan A1 Adrian Baranchuk YR 2018 UL http://www.cmaj.ca/content/190/20/E622.abstract AB