Read
AUTHORPÆDIA is hosted by Authorpædia Foundation, Inc. a U.S. non-profit organization.
William Dalrymple (historian)
Surfer's knots are a cutaneous condition caused by chronic pressure over bony prominences leading to thick fibrotic nodules on knees, knuckles, dorsal feet, often seen with those who perform surfing, boxing, football, and marbles.[1]
See also
References