1. in adequate doses from the second week of life, and Chiari, 0;Arch. Kinderheilk,1938
2. Davidson, L. T., and Merritt, K. K. (1934). Amer. J. Dis. Child., 48, 281.
3. Glaser, K. (1949). Amer. J. Roentgenol., 61, 482.
4. Malmberg, N. (1945). Acta paediatr., Stockh., 32, 626.
5. radiologically by gross changes in the long bones;Rothman, P.E.; Leon, E.E.,1948