@article{article910eec28,
title   = {Antinociceptive effect of low-dose intrathecal neostigmine combined with intrathecal morphine following},
author = {Almeida, Raquel A. and Lauretti, Gabriela Rocha and Mattos, Anita Leocadia de},
year = {2003},
journal   = {Anesthesiology}
}