Jin-Hua P, Goding JW, Nakamura H, Sano K (outubro 1997). «Molecular cloning and chromosomal localization of PD-Ibeta (PDNP3), a new member of the human phosphodiesterase I genes». Genomics. 45 (2): 412–5. PMID9344668. doi:10.1006/geno.1997.4949
Jin-Hua P, Goding JW, Nakamura H, Sano K (outubro 1997). «Molecular cloning and chromosomal localization of PD-Ibeta (PDNP3), a new member of the human phosphodiesterase I genes». Genomics. 45 (2): 412–5. PMID9344668. doi:10.1006/geno.1997.4949