JAVIER CABALLERO VILLARRASO2026-01-292026-01-29201610.1186/s13063-016-1403-42-s2.0-84978834509https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/27235Medicine (miscellaneous)Pharmacology (medical)Evaluation of differential effects of metformin treatment in obese children according to pubertal stage and genetic variations: Study protocol for a randomized controlled trialresearch article