Maldonado Lira, B. M., Peña Rosas, G. D. and España Francis, N. A. (2019) “CHARACTERIZATION OF BLOOD GROUP IN THE ESMERALDAS PARISH”, Universidad Ciencia y Tecnología, 23(92), p. 5. Available at: https://uctunexpo.autanabooks.com/index.php/uct/article/view/120 (Accessed: 20July2025).