Tyrosine hydroxylase immunoreactivity as indicator of sympathetic activity: simultaneous evaluation in different tissues of hypertensive rats - Burgi, Katia; Cavalleri, Marina Tuppy; Alves, Adilson da Silva; Britto, Luiz Roberto Giorgetti de; Antunes, Vagner Roberto; Michelini, Lisete Compagno (American Journal of Physiology: Regulatory, Integrative and Comparative Physiology, 2011)