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Article
March 1967

CORRECTION

Author Affiliations

32-34 Rehabilitation Center University of California School of Medicine Los Angeles 90024

Arch Otolaryngol. 1967;85(3):346. doi:10.1001/archotol.1967.00760040348021

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Abstract

To the Editor.—We wish to make a correction in a statement made in our article, "Rapid Parlodion Embedding of Temporal Bones," which appeared in the January 1966 issue of the Archives of Otolaryngology. The vacuum pressure reading was given in millimeters of mercury and should have been expressed in inches of mercury.

In addition, we have received numerous queries regarding the safety of the procedure. We feel that parlodion should be used as the embedding medium since it is more inert than the other nitrocellulose embedding media. An enclosed explosion-proof motor should be used to run the vacuum pump, since the air-cooled motors have openings which would allow ether fumes to enter and which could ignite if the motor "sparked." The explosion-proof motors are completely enclosed and cooled by radiation from the surface. Since the motor is only on for a few minutes at a time every few hours,

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