RT Journal Article SR Electronic T1 Subcutaneous seroma after diagnostic thoracentesis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 345 OP 345 DO 10.1503/cmaj.092218 VO 183 IS 3 A1 Chen, Chia-Hung A1 Tu, Chih-Yen YR 2011 UL http://www.cmaj.ca/content/183/3/345.abstract