It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients.
Bio: Charles IX was a monarch of the House of Valois who ruled as King of France from 1560 until his death. He ascended the throne of France upon the death of his brother Francis II.
