RT Journal Article SR Electronic T1 The Saudi clinical practice guideline for the prophylaxis of venous thromboembolism in long-distance travelers JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 561 OP 562 DO 10.15537/smj.2017.5.18549 VO 38 IS 5 A1 Abdel-Razeq, Hikmat YR 2017 UL http://smj.org.sa/content/38/5/561.abstract AB