Prasad, S.K., et al. “L-Dopa Feeding Induces Body Growth and Reproductive Conditions in Japanese Quail, Coturnix Coturnix Japonica”. International Journal of Poultry Science, vol. 6, no. 8, July 2007, pp. 560–566, https://doi.org/10.3923/ijps.2007.560.566.