Smith, G. ., Brenowitz, E. ., & Prins, G. . (1996). Use of PG-21 immunocytochemistry to detect androgen receptors in the songbird brain. The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society, 44(9), 1075-80. https://doi.org/10.1177/44.9.8773574

Esser, K. ., Harpole, C. ., Prins, G. ., & Diamond, A. . (2009). Physical activity reduces prostate carcinogenesis in a transgenic model. The Prostate, 69(13), 1372-7. https://doi.org/10.1002/pros.20987 (Original work published 2009)