1. Alexander JE (1962) Anomaly of craniopharyngeal duct and hypophysis. Can Vet J 3:83
2. Andresen E, Willeberg P (1976) Pituitary dwarfism in German shepherd dogs: additional evidence of simple, autosomal recessive inheritance. Nord Vet Med 28:481–486
3. Andresen E, Willeberg P, Rasmussen PG (1974) Pituitary dwarfism in German Shepherd dogs. Nord Vet Med 26: 692–701
4. Bäckström G (1963) Nägot on hirsutism i samband med hypofystumörer hos häst. Nord Vet Med 15:778–786
5. Black PM, Hsu DW, Klibanski A, Kliman B, Jameson L, Ridgway EC, Hedley-White ET, Zervas NT (1987) Hormone production in clinically nonfunctioning pituitary adenomas. J Neurosurg 66:244–250