Fernández Nieto, Miriam Ivonne, Nereida Josefina Valero Cedeño, Danna Nicolle Álava Zambrano, and Kathiuska Jamileth Hidalgo Ramirez. “Demographic and Epidemiological Aspects Associated With Immunity to the Hepatitis B Virus in University Students in the Health Area”. Kasmera 49, no. Supl 1 (September 25, 2021): e49S135705. Accessed May 20, 2024. https://produccioncientificaluz.org/index.php/kasmera/article/view/35705.