Editorial Comment

Perez C. , Scrimshaw N.S. , Munoz J.A. Technique of endemic goiter surveys. In: Endemic goiter, WHO Monograph Series, no. 44. Geneva: World Health Organization, 1960: 369–83.

Scrimshaw N.S. , Cabezas A. , Castillo F. , Méndez J. Effect of potassium iodate on endemic goitre and protein-bound iodine levels in school-children. Lancet 1953; 2: 166–72.