Trejos, A., and J. L. Gurdián. “Generalized Histoplasmosis in El Salvador, C. A. A Report of 13 Cases in Children under Two Years of Age”. Revista De Biología Tropical, vol. 15, no. 2, Dec. 1967, pp. 315–322, doi:10.15517/rev.biol.trop. v15i2.28472.