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  • Painful arc sign

    Painful arc sign

    People who have a shoulder problem feel strong pain when they move their arm especially from 60 degrees to 120 degrees abduction (lifting the arm…

  • Holographic Interferometry and Brain Pulsations

    Holographic Interferometry and Brain Pulsations

    Holographic interferometry is a noninvasive method used to analyze the mechanical displacement affecting an object undergoing deformation.More

  • Updates on Omicron

    Updates on Omicron

    For daily updates on Omicron and COVID-19, check out the YouTube site of Dr. John Campbell…More