1. Changes in serum hormone concentrations in weanling horses following gastric intubation with specific nutrients;Biesik;Nutr. Rep. Int.,1986
2. Consideration of copper metabolism in osteochondrosis of suckling foals;Bridges;J. Am. Vet. Med. Assoc.,1984
3. The effect of high zinc intake on copper metabolism and bone development in growing horses;Coger,1987
4. BMDP statistical software;Dixon,1988
5. On choosing the control group in case-control studies;Feinstein;J. Chron. Dis.,1983