Briones García JI. Evaluation of the effect of cortisol caused by hypoxia on some immunological parameters of tilapia commercialization from the city of Sucua - Ecuador. CCD [Internet]. 2021Mar.5 [cited 2026Jun.18];4(1.2):446-5. Available from: https://doi.org/10.33262/concienciadigital.v4i1.2.1611