Lack of vasopressin upregulation of AQP-2 gene expression in homozygous Brattleboro rats. - Saito,T.; Ishikawa,S.; Sasaki,S.; Higashiyama,M.; Nagasaki,S.; Fujita,N.; Fushimi,K.; Marumo,F.; Saito,T. (Am J Physiol, 1999)