Sherif, W., Hassanein, A., Ali, W. (2008). 'Effect of Using Elastic Compression Stocking in Prevention of Deep Vein Thrombosis after Hip Surgery in Orthopedic Units at Zagazig University Hospitals', Journal of High Institute of Public Health, 38(4), pp. 856-870. doi: 10.21608/jhiph.2008.20980