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: Lawrence Welk was an American musician, accordionist, bandleader, and television impresario, who hosted the television program The Lawrence Welk Show from 1951 to 1982.