TY  - RPRT
TI  - Morphine a spasmolytic?
AU  - J A Ross
AU  - J M Griffiths
PY  - 1970
DO  - 10.1136/bmj.3.5714.107
UR  - https://pubmed.ncbi.nlm.nih.gov/5428764/
ID  - 5428764
ER  -