1032
Dickinson: Toleration of the Corset.
specific gravity between mercury and water is 13.6. Thus, lying down with clothing loose, the equivalent in the rectum with the mercury manometer would be about 8 millimeters, when our subtraction for bag tension has been made, and in the standing posture 30 mm. Hg., corrected. Lying down, the vaginal pressures run higher than this in muscular women.
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These studies, extending over several years, were made in office practice among women for the most part in comfortable circumstances. They covered somewhat less than a hundred individuals., traced in outline, tested for pressures, measured