Chavarría Zamora, S., A. . Chacón Villalobos, R. . WingChing Jones, and R. . Zamora Sanabria. “Productive Parameters, Morphology and Microbiology of Eggs Produced by Hy-Line Brown, Novogen, Rhode Island Red and Sex Link Hens”. UNED Research Journal, vol. 13, no. 2, July 2021, p. e3459, doi:10.22458/urj.v13i2.3459.