• 3 defintions found in Acronymia,
• 14 defintions found in AcroLexic: Acronyms and Abbreviations Dictionary:

ORS

Office of Regulatory Support

Oral Rehydration Salts

WHO oral rehydration solution

AcroLexic: Dictionary of Acronyms and Abbreviations contains 11 more definitions of “ORS”.

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See also