@misc{misc1d4be7c9,
title   = {Association of intravenous ketamine of fentanyl with intrathecal neostigmine for providing postoperative analgesia},
author = {Lauretti, G R and Azevedo, V M S and Garcia, L V and Mattos, A L},
year = {1996},
booktitle   = {American Society of Regional Anesthesia}
}