Preserved GLP-1 effects upon glycogen synthase a activity and glucose metabolism in isolated hepatocytes and skeletal muscle from diabetic rats. - Morales,M.; López-Delgado,M.I.; Alcántara,A.; Luque,M.A.; Clemente,F.; Márquez,L.; Puente,J.; Viñambres,C.; Malaisse,W.J.; Villanueva-Peñacarrillo,M.L.; Valverde,I. (Diabetes, 1997)