THE IMPACT OF VITAMIN D SUPPLEMENTATION IN PAEDIATRIC PRIMARY CARE ON RECURRENT RESPIRATORY INFECTIONS: A RANDOMIZED CONTROLLED TRIAL. EuroMediterranean Biomedical Journal, [S. l.], v. 13, 2026. DOI: 10.3269/1970-5492.2018.13.44. Disponível em: https://www.embj.org/home/article/view/255. Acesso em: 29 apr. 2026.