Imbelloni, L. E., Braga, R. L., Morais Filho, G. B. de, & da Silva, A. (2019). Low dose of isobaric bupivacaine provides lower incidence of spinal hypotension for hip surgery in elderly patients. Anaesthesia, Pain & Intensive Care, 17-20. https://doi.org/10.35975/apic.v0i0.548