Evidence of UCP1-independent mechanism regulating norepinephrine-induced thermogenesis in brown fat - Ribeiro, Miriam Oliveira; Lebrun, Fabiana Luzia Alves da Silveira; Christoffolete, Marcelo Augusto; Branco, Marcelo; Crescenzi, Alessandra; Carvalho, Suzy Drumond; Negrão, Núbio; Bianco, Antônio Carlos (American Journal of Physiology, 2000)