Question: Melvin H. Knisely was an American physiologist who first observed the pathological clumping of red blood cells which are also called what?
Sentence (from "Melvin H. Knisely"): Melvin Henry Knisely (17 June 1904 - 30 March 1975), was an American physiologist who first observed the pathological clumping of red and white cells, in vivo, at the capillary level.
Relevant evidence: Yes