TY  - RPRT
TI  - Endogenous nitric oxide modulates morphine-induced constipation.
AU  - A Calignano
AU  - S Moncada
AU  - M Di Rosa
PY  - 1991
DO  - 10.1016/0006-291x(91)91274-g
UR  - https://pubmed.ncbi.nlm.nih.gov/1755865/
ID  - 1755865
ER  -