Broderick, T. P., Schaff, D. A., Bertino, A. M., Dush, M. K., Tischfield, J. A., & Stambrook, P. J. (1987). Comparative anatomy of the human APRT gene and enzyme: Nucleotide sequence divergence and conservation of a nonrandom CpG dinucleotide arrangement.

Broderick, T P., D A. Schaff, A M. Bertino, M K. Dush, J A. Tischfield, i P J. Stambrook. Comparative Anatomy of the Human APRT Gene and Enzyme: Nucleotide Sequence Divergence and Conservation of a Nonrandom CpG Dinucleotide Arrangement. 1987.

Broderick, T P., et al. Comparative Anatomy of the Human APRT Gene and Enzyme: Nucleotide Sequence Divergence and Conservation of a Nonrandom CpG Dinucleotide Arrangement. 1987.