A. De la Paz

Diagnosis of congenital portosystemic shunt in miniature schnauzers 7 years of age or older (1997-2006).

Matthew W. Miller, G. Fosgate, T. Fossum, 2010, Journal of the American Animal Hospital Association.

Phentolamine (regitine) test in cerebrovascular accidents.

R. Gunnar, J. Tobin, N. Ninos, 1966, Archives of internal medicine.