1. Calcium and phosphorus metabolism;Copp;Am. J. Med.,1957
2. Parathyroids and homeostasis of blood calcium;Copp,1960
3. Diurnal variation in urinary excretion of calcium and phosphate and its relation to blood levels;Carruthers;J. Lab. & Clin. Med.,1964
4. The parathyroid hormone and bone;McLean;Clin. Orthopaed.,1957
5. Calcium and phosphorus homeostasis in the parathyroidectomized dog. Evaluation by means of EDTA and calcium tolerance tests;Sanderson;J. Clin. Invest.,1960