1. Bean BP (1989) Classes of calcium channels in vertebrate cell. Annu Rev Physiol 51:367?384
2. Beavo JA (1988) Multiple isozymes of cyclic nucleotide phosphodiesterase. Adv Second Messenger Phosphoprotein Res 22:1?38
3. Beavo JA, Rogers NL, Crofford OB, Hardman JG, Sutherland EW, Newman EV (1970) Effects of xanthine derivatives on lipolysis and on adenosine 3?,5?-monophosphate phosphodiesterase activity. Mol Pharmacol 6:597?603
4. Belles B, Malécot CO, Hescheler J, Trautwein W (1988) ?Rundown? of the Ca current during long whole-cell recordings in guinea pig heart cells: role of phosphorylation and intracellular calcium. Pflügers Arch 411:353?360
5. Biegon L, Epstein PM, Pappano AJ (1980) Muscarinic antagonism of the effects of a phosphodiesterase inhibitor (methylisobutylxanthine) in embryonic chick ventricle. J Pharmacol Exp Ther 215:348?356