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@NAJM This might give you a new insight. I performed this study on a period spanning 12 months before - during - after the lock down caused by COVID-19. https://t.co/8tFBnG22XA
@NAJM This might give you a new insight. I performed this study on a period spanning 12 months before - during - after the lock down caused by COVID-19. https://t.co/8tFBnG22XA