1. WHARTON, B., G. HOWELLS, and I. PHILIPS, (1968) Brit. Med. J. 4:608.
2. KERPEL FRONIUS, E., L. JÀNI, and M. FEKETI, (1966) Ann. Paediat. 206:245.
3. KEUSCH, G. T., F. J. TRONCALE, B. THAVARAMARA, P. PRINYANONT, P. R. ANDERSON, and N. BHAMARAPRAVATHI, (1969) Am. J. Clin. Nutr. 22:638.
4. KERPEL FRONIUS, E., (1957) Mod. Probl. Paed. 2:146.
5. Various authors, (1968) In: Calorie deficiencies and protein deficiencies. eds. Mc Cance, R. A. and E. M. Widdowson, Churchill, London.