Diagnostic accuracy of glabellar tap sign for Parkinson's disease | SpringerLink
Valtteri Kaasinen on Twitter: "In his letter published in Lancet in 1896, he reported that when the forehead is gently tapped, this is normally followed by twitching of lower eyelids (blink reflex).
Figure 14 from An Atlas of Parkinson's Disease and Related Disorders | Semantic Scholar
Primitive Reflexes in the baby - ppt video online download
Blinking and the Release Reflexes: Are They Clinically Useful? - Thomas - 1994 - Journal of the American Geriatrics Society - Wiley Online Library