ZHEN, H.; MCDERMOTT, S.; LAWSON, A. B.; AELION, C. M. Are clusters of mental retardation correlated with clusters of developmental delay?. Geospatial Health, [S. l.], v. 4, n. 1, p. 17–26, 2009. DOI: 10.4081/gh.2009.207. Disponível em: https://www.geospatialhealth.net/gh/article/view/207. Acesso em: 16 apr. 2024.