Neurocardiogenic Syncope
NEJM 352:1004-1010, Grubb, B.P., 2005
Lead Poisoning in Automobile Radiator Mechanics
NEJM 317:214-218, Goldman,R.H.,et al, 1987
Pellagra, Endocronology System, Vol. 4
The Ciba Collection of Medical Illustrations, p. 254-255981., Netter,F.H., 1981