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Ortigosa, Allison D., Daniela Hristova, Deborah L. Perlstein, Zhen Zhang, Mingxia Huang, und JoAnne Stubbe. "Determination of the in Vivo Stoichiometry of Tyrosyl Radical Per ββ′ in Saccharomyces Cerevisiae Ribonucleotide Reductase()." Biochemistry 2006.

Ortigosa, Allison D., et al. "Determination of the in Vivo Stoichiometry of Tyrosyl Radical Per ββ′ in Saccharomyces Cerevisiae Ribonucleotide Reductase()." Biochemistry 2006.