Christensen and Torphy (1994) Isoenzyme-selective phosphodiesterase inhibitors as antiasthmatic
agents. Ann.Rep.Med.Chem. 29 185. Barbier and Lefebvre (1995)
Relaxant influence of phosphodiesterase inhibitors in the cat gastric fundus.
Eur.J.Pharmacol. 276 41. Soderlinget al (1998)
Identification and characterization of a novel family of cyclic nucleotide
phosphodiesterases. J.Biol.Chem. 273 15553. Lugnier (2006)
Cyclic nucleotide phosphodiesterase (PDE) superfamily: a new target for the
development of specific therapeutic agents. Pharmacol.Ther. 109
366.