Serdoura , S. et al. 2026. Multivitamin Supplementation and One-Year Weight and Nutritional Outcomes after Roux-en-Y Gastric Bypass. Proceedings of Research and Practice in Allied and Environmental Health. 4, 1 (fev. 2026), 13. DOI:https://doi.org/10.26537/prpaeh.v4i2.6995.