Vazeery, A. K., and O. Lunde. “Controlled Hypotension in Hip Joint Surgery: An Assessment of Surgical Haemorrhage During Sodium Nitroprusside Infusion”. Acta Orthopaedica 50, no. 4 (January 1, 1979): 433–441. Accessed May 12, 2026. https://actaorthop.org/actao/article/view/29001.