Intraoperative mishaps and complications in patients submitted to epidural and subarachnoid anesthesia in a teaching tertiary university hospital in brazil - Braz, Jose Reinaldo Cerqneira [UNESP]; Sato, Jeferson Kengi [UNESP]; Vianna, Pedro Thadeu G. [UNESP]; Ganem, Eliana Marisa [UNESP]; Modolo, Norma Sueli P. [UNESP] (My University, 1993)