![Valtteri Kaasinen on Twitter: "This is Dr. Walker Overend, MD, born in England in 1858. He discovered a supraorbital reflex, later known as the glabellar reflex or the glabellar tap sign. https://t.co/pDFOOmKl54" / Valtteri Kaasinen on Twitter: "This is Dr. Walker Overend, MD, born in England in 1858. He discovered a supraorbital reflex, later known as the glabellar reflex or the glabellar tap sign. https://t.co/pDFOOmKl54" /](https://pbs.twimg.com/media/E7h1YTqWQAAAJ2d.jpg)
Valtteri Kaasinen on Twitter: "This is Dr. Walker Overend, MD, born in England in 1858. He discovered a supraorbital reflex, later known as the glabellar reflex or the glabellar tap sign. https://t.co/pDFOOmKl54" /
Comparison of ketamine-propofol mixture (ketofol) and midazolam-meperidine in endoscopic retrograde cholangiopancretography (ERCP) for oldest old patients. - Document - Gale Academic OneFile
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