Hammett, F. S. 1921. Studies of the thyroid apparatus. I. The stability of the nervous system as a factor in the resistance of the albino rat to the loss of the parathyroid secretion. American Journal of Physiology 56, 196-204.

The relative mortality subsequent to thyroparathyroidectomy and parathyroidectomy of rats was much lower (13%) in animals who had been handled compared with animals who had not been handled (79%).

Year
1921