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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Economou G., Ward-McQuaid J. N. A cross-over comparison of the effect of morphine, pethidine, pentazocine, and phenazocine on biliary pressure. Gut. 1971 Mar;12(3):218–221. doi: 10.1136/gut.12.3.218. [DOI] [PMC free article] [PubMed] [Google Scholar]
