Farooqui, Al-Bagdadi, Houslay, Bolger, Stout, Specian, Cherry, Conti, ODonnell: "Surgically induced cryptorchidism-related degenerative changes in spermatogonia are associated with loss of cyclic adenosine monophosphate-dependent phosphodiesterases type 4 in abdominal testes of rats." in: Biology of reproduction, Vol. 64, Issue 6, pp. 1583-9, 2001 (PubMed).
Yarwood, Steele, Scotland, Houslay, Bolger: "The RACK1 signaling scaffold protein selectively interacts with the cAMP-specific phosphodiesterase PDE4D5 isoform." in: The Journal of biological chemistry, Vol. 274, Issue 21, pp. 14909-17, 1999 (PubMed).
Beavo: "Cyclic nucleotide phosphodiesterases: functional implications of multiple isoforms." in: Physiological reviews, Vol. 75, Issue 4, pp. 725-48, 1995 (PubMed).
Farooqui, Brock, Hamdi, Prasad: "Antibodies against synthetic peptides predicted from the nucleotide sequence of D2 receptor recognize native dopamine receptor protein in rat striatum." in: Journal of neurochemistry, Vol. 57, Issue 4, pp. 1363-9, 1991 (PubMed).