It has long been known that calculi almost invariably form around any foreign body introduced into the kidney or bladder, and I have seen a large, calculous mass surrounding a splinter of an arrow that had penetrated and broken off in the body of a deer.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In this connection the presence of magnesia in the feed or water must be named as favoring calculous formations in the urinary passages.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
A most interesting and valuable article on calculous Diseases from his pen appeared in the same volume, illustrating not only his great practical skill but his courage and quick and clear judgment in cases of emergency.
"The History of the Medical Department of Transylvania University"
Robert Peter