RT Journal Article SR Electronic T1 Bilateral pleural effusions JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1879 OP 1882 DO 10.1503/cmaj.090920 VO 182 IS 17 A1 Emmet E. McGrath A1 Chris Barber YR 2010 UL http://www.cmaj.ca/content/182/17/1879.abstract