Sebastián E. IllanesÁlvaro Insunza-Figueroa2026-03-222026-03-22202210.24875/rechog.m22000047https://doi.org/10.24875/rechog.m22000047https://andeanlibrary.org/handle/123456789/71955esMedicineInvestigación en biomedicina: problemas y desafíosarticle