title: [Comparison of effects and complications of unilateral versus standard spinal anesthesia in orthopedic surgery of lower limbs].
authors.affiliation: Hospital Universitário de Brasília, Brasília, DF, Brasil. Electronic address: gabrielmng@gmail.com.
authors.forename: Gabriel Magalhaes
authors.initials: GM
authors.lastname: Nunes Guimaraes