Question

what is the full form of BCG AND OSR

Answer 1

Hey !!
Here is ur answer !!❤❤
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BCG = Bacillus Calmette-Guerin
OSR = Operational Sex Ratio
Operating Systems Review

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Hope this will help you
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Answer 2

your answer

BCG (VACCINE)- BACILLUS CALMETTE GUERIN

OSR- OPERATING SYSTEM REVIEW