A form of waterbed was invented in 1833 by the Scottish physician Neil Arnott. Dr. Arnott?s Hydrostatic Bed was devised to prevent bedsores in patients, and comprised a bath of water with a covering of rubber-impregnated canvas, on which lighter bedding was placed.
Uniformity of Dosage Units
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Uniformity of Dosage Units is a specialised analytical laboratory service that assesses whether individual dosage units contain sufficiently consis...



































