RT Journal Article SR Electronic T1 Better results with HIV clubs in South Africa JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E242 OP E242 DO 10.1503/cmaj.109-5040 VO 187 IS 8 A1 Webster, Paul Christopher YR 2015 UL http://www.cmaj.ca/content/187/8/E242.abstract