TY  - RPRT
TI  - Patient controlled analgesia and GI dysfunction.
AU  - K A Teter
AU  - G Viellion
AU  - E M Keating
DO  - 10.1097/00006416-199007000-00009
UR  - https://pubmed.ncbi.nlm.nih.gov/2202954/
ID  - 2202954
ER  -