Research ArticleArticle
Endomorphin-1 and Endomorphin-2 Show Differences in Their Activation of μ Opioid Receptor-Regulated G Proteins in Supraspinal Antinociception in Mice
Pilar Sánchez-Blázquez, Marta Rodríguez-Díaz, Isabel DeAntonio and Javier Garzón
Journal of Pharmacology and Experimental Therapeutics October 1999, 291 (1) 12-18;