TY  - RPRT
TI  - Analgesia for endocsopy.
AU  - B T Cooper
AU  - G M Cooper
PY  - 1976
DO  - 10.1016/s0140-6736(76)91165-x
UR  - https://pubmed.ncbi.nlm.nih.gov/63059/
ID  - 63059
ER  -