RT Journal Article SR Electronic T1 Leg pains, clubbing of digits and lung mass: What is your call? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 395 OP 396 DO 10.1503/cmaj.071390 VO 178 IS 4 A1 Wu, Jenn-Yu A1 Shih, Jin-Yuan YR 2008 UL http://www.cmaj.ca/content/178/4/395.abstract