TY  - RPRT
TI  - Opioids: preventing constipation and impaction.
AU  - J Shuster
PY  - 1996
DO  - 10.1097/00152193-199608000-00022
UR  - https://pubmed.ncbi.nlm.nih.gov/8807922/
ID  - 8807922
ER  -