Punjani, N., Nayan, M. ., Jarvi, K. ., Lo, K. ., Lau, S., & Grober, E. D. (2019). The effect of ethnicity on semen analysis and hormones in the infertile patient. Canadian Urological Association Journal, 14(2), 31–5. https://doi.org/10.5489/cuaj.5897