Neonatal screening for congenital hypothyroidism: 28-year experience in the state of Minas Gerais, Brazil Nathalia Teixeira Palla Braga; Debora Patrícia da Silva Sousa Alves; Enrico Antônio Colosimo; Vera Maria Alves Dias; José Nélio Januário; Ivani Novato Silva;