RT Journal Article SR Electronic T1 Is prolonged use of computer games a risk factor for deep venous thrombosis in children? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 593 OP 594 DO 10.7861/clinmedicine.3-6-593 VO 3 IS 6 A1 SM Ng A1 RM Khurana A1 HW AW Yeang A1 UM Hughes A1 DJ Manning YR 2003 UL http://www.rcpjournals.org/content/3/6/593.abstract AB