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Five years have elapsed since the appearance of the last edition of this book. During that time, notable changes have taken place in the views held on some phases of obstetrics, even though no definite progress has been made. The author discusses this phase of the subject, and expresses opinions which, coming from a man of his standing, are not only worthy of consideration, but are significant and weightbearing. Anesthesia in obstetrics has received much attention during the past five years. Williams endorses the use of nitrous oxid gas, but feels that it should be limited to the second stage. As for scopolamin-morphin anesthesia, he says the fact that we cannot promise a satisfactory subjective result to more than three patients out of four makes it apparent that the method is not ideal. He believes that it will gradually fall into disuse, or at least that its use will be
Obstetrics: A Text-Book for the Use of Students or Practitioners.. JAMA. 1917;LXIX(22):1904. doi:10.1001/jama.1917.02590490068022