Identification of mutations in the S gene of hepatitis B virus in HIV positive Mexican patients with occult hepatitis B virus infection Karina Enriquez-Navarro; Angelica Maldonado-Rodriguez; Othon Rojas-Montes; Rocio Torres-Ibarra; Leticia Bucio-Ortiz; Miguel A. De la Cruz; Jesus Torres-Flores; Beatriz Xoconostle-Cazares; Rosalia Lira;

Occult liver disease: A multinational perspective Paulina Vidal-Cevallos; Nayelli Flores-García; Norberto C. Chávez-Tapia; Naga P. Chalasani;

Global prevalence of occult HBV infection in children and adolescents: A systematic review and meta-analysis Jiaying Wu; Jiayao He; Hongmei Xu;