Saavedra Dolmuz A, Campos Valerio J, Leytón Padilla ID, Saavedra Arce ME, Saavedra Flores M. Characterization of HER2-positive breast cancer in patients treated at a hospital in Managua: A case series. Rev.Sc.S. 2025;1(1):1-13. doi:10.62407/zeenc987