Low testosterone levels as an independent risk factor for mortality in male patients with COVID-19: Report of a Single-Center Cohort Study in Mexico Ana Lilia Peralta-Amaro; Emily Itzel Pecero-García; José Guadalupe Valadez-Calderón; Julio César Ramírez-Ventura; Luis Alonso Coria-Moctezuma; Jaime Enrique Hernández-Utrera;

Sugar-sweetened beverage intake in relation to reproductive parameters in young men Jonathan Kiwitt-Cárdenas; Julián J. Arense-Gonzalo; Jaime Mendiola-Olivares; Evdochia Adoamnei; Alberto M. Torres-Cantero;