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What does 20 Stand For in Airports & Locations ?
For 20 we have found 10 definitions.
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What does 20 mean? We know 10 definitions for 20 abbreviation or acronym in 3 categories. Possible 20 meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
20 Stands For:
Rank | Abbreviation | Meaning | |
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***** | ACR 20 | American College of Rheumatology 20% improvement response criteria |