Vazeery, A.K. and Lunde, O. 1979. Controlled Hypotension in Hip Joint Surgery: An Assessment of Surgical Haemorrhage During Sodium Nitroprusside Infusion. Acta Orthopaedica. 50, 4 (Jan. 1979), 433–441. DOI:https://doi.org/10.3109/17453677908989787.