@misc{misc51518ddc,
title   = {Study comparing the effects of morfine-phenegen and placebo on the exercise tolerance and mentation of ventilatory limited copd patients},
author = {Light, R W and Stanbury, D W and Avalos, K and Despars, J A and Vargas, Francisco Suso and Berry, R B and Sayre, V S},
year = {1992},
booktitle   = {Annual Scientific Assembly}
}