Letter from James F Boyd, Pathology Department, Western Infirmary, Glasgow to Howard Walter Florey Enjoyed Florey's Jephcott Lecture - comments on what might happen to dead endothelial cells and on repair of endothelial lining - comments on possibility, in illnesses accompanied by tozaemia, of repair being retarded to such a degree that platelets adhere to the "bare area" thinks rheumatic vegetation is gross example of process which occurs with most toxaemias - hypothesis favours thrombotic origin of atheromatous plaques and not necessarily thrombotic growth of pre-existing atheroma. 22 November 1960