RT Journal Article SR Electronic T1 Pulmonary hypertension: diagnostic approach and optimal management JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 804 OP 812 DO 10.1503/cmaj.151075 VO 188 IS 11 A1 Nathan Hambly A1 Fahad Alawfi A1 Sanjay Mehta YR 2016 UL http://www.cmaj.ca/content/188/11/804.abstract