Tong, Q., Romanini, C. E., Exadaktylos, V., Bahrt, C., Berckmans, D., Bergoug, H., …Demmers, T. G. M. Embryonic development and the physiological factors that coordinate hatching in domestic chickens. POULTRY SCIENCE, 92(3), 620-628. https://doi.org/10.3382/ps.2012-02509