Crace , C. J., I. Swenne, D. J. Hill, and R. D. G. Milner. 1991. “Tissue and Serum Insulin-Like Growth Factor I (IGF I) Concentrations in Rats Subjected to Temporary Protein-Energy Malnutrition Early in Life”. Upsala Journal of Medical Sciences 96 (1):17-22. https://doi.org/10.3109/03009739109179255.