beta-Arrestin-mediated PDE4 cAMP phosphodiesterase recruitment regulates beta-adrenoceptor switching from Gs to Gi - Baillie, G S; Sood, A; McPhee, I; Gall, I; Perry, S J; Lefkowitz, R J; Houslay, M D (Proc Natl Acad Sci USA, 2003)