1. de Grouchy, J. and Turleau, C. 1977. Clinical atlas of human chromosomes. John Wiley and Sons, New York.
2. Friedrich, U. and Nielsen, J. 1973. Chromosomes studies in 5,049 consecutive newborn children.Clin. Genet.
4: 333–343.
3. Funakawa, H. 1968. Gestational ages and intrauterine growth.Acta Neonatol. Jpn.
4: 129–135.
4. Hamerton, J.L., Canning, N., Ray, M., and Smith, S. 1975. A cytogenetic survey of 14,069 newborn infants.Clin. Genet.
8: 233–243.
5. Higurashi, M., Segawa, M., Matsui, I., Ihnuma, K., and Nakagome, Y. 1977. Screening for autosomal aberrations.Acta Paediatr. Scand.
66: 501–504.