CASTILLO ARRIETA, Y.; FIGUEROA, F.; PARRA, R.; ROMERO, J.; CASTILLO, D.; TRAVIEZO VALLES, L. Female predominance and over forty years of age, in patients with gallstones diagnosed and treated with ERCP in Venezuela. Salud, Arte y Cuidado, v. 17, n. 1, p. 5-12, 15 Jan. 2024.