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Cheng, Gregory, Crystal Chan, Ying Ting Liu, Yee Fun Choy, Mei Mei Wong, Pui Kwan Ernest Yeung, Ka Ling Ng, Lai Shan Tsang, and Raymond S. M. Wong. Incidence of Deep Vein Thrombosis in Hospitalized Chinese Medical Patients and the Impact of DVT Prophylaxis. Hindawi Publishing Corporation, 2011.

Cheng, Gregory, et al. Incidence of Deep Vein Thrombosis in Hospitalized Chinese Medical Patients and the Impact of DVT Prophylaxis. Hindawi Publishing Corporation, 2011.