JAVIER CABALLERO VILLARRASO2026-01-292026-01-29202110.1016/j.biopha.2020.1111172-s2.0-85099195111https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/32819PharmacologyEvaluation of the gut microbiota after metformin intervention in children with obesity: A metagenomic study of a randomized controlled trialresearch article