JARAMILLO Q, A., & Dáher Nader, J. E. (1990). Incidence of ectopic pregnancy at the "Enrique C. Sotomayor" gynecological-obstetric Hospital from 1985-1990. Revista Universidad De Guayaquil, 82(3-4), 53-94. https://doi.org/10.53591/rug.v82i3-4.577