62,638
edits
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| 1970 || Disinfection method introduction || || Continuous ethylene oxide sterilization process is developed.<ref name="Rogers"/> ||
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| 1970 || || A document issued by the Isolation Technique for Use in Hospitals introduces seven isolation precaution categories with color-coded cards: Strict, Respiratory, Protective, Enteric, Wound and Skin, Discharge, and Blood.<ref>National Communicable Disease Center. Isolation Techniques for Use in Hospitals. 1st ed. Washington, DC: US Government Printing Office;. PHS publication no 2054 1970</ref> || {{w|United States}}
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| 1971 || Disinfection method introduction || || D.A. Gunther patents a balance pressure process for use with {{w|ethylene oxide}} sterilization.<ref name="Rogers"/> ||
