Manuale del bodybuilder:Vitamin D - https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/Panoramica generale dei PED - https://en.wikipedia.org/wiki/Performance-enhancing_substanceampio catalogo di preparati farmacologici - mysportsxpert.comOrmone della crescita negli atleti - https://pubmed.ncbi.nlm.nih.gov/24636303/European Journal of Drug Metabolism - https://link.springer.com/journal/11332 Guía Consultiva de Desempeño Municipal Resultados GDM-2025 Resultados-GDM-2025