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Appl Microbiol. 1969 Feb; 17(2): 250–251.
PMCID: PMC377659

Intraperitoneal Injection of Mice


Steward, Ornellas, Beernink, and Northway (2) reported a 14% error in the placement of intraperitoneal injections of mice. They considered this error inherent in the technique and not simply correctable. We similarly found an error in the intraperitoneal injection of mice and attempted to identify the cause of error by varying such technical procedures as size of needle, site of penetration (through lower left versus lower right quadrant), investigator, angle of needle to the abdominal wall, and speed of injection. None of these technical modifications consistently eliminated or reduced the error of placement.

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  • Steward JP, Ornellas EP, Beernink KD, Northway WH. Errors in the technique of intraperitoneal injection of mice. Appl Microbiol. 1968 Sep;16(9):1418–1419. [PMC free article] [PubMed]

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