2) Pfeifer MA, Cook D, Brodsky J, Tice D, Reenan A, Swedine S, Halter JB, Porte DJ (1982) Quantitative evaluation of cardiac parasympathetic activity in normal and diabetic man. Diabetes 31: 339-345
3) Wheeler T, Watkins PJ (1973) Cardiac denervation in diabetes. Br Med J 4: 584-586