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: Ignacy Domeyko or Domejko, pseudonym: Żegota was a Polish geologist, mineralogist and educator. Domeyko spent most of his life, and died, in his adopted country, Chile.