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The author, having already published several articles on serology, has now combined in one volume everything of value contained in these articles. The book is divided into four parts. Part 1 deals with technology. In the space of eighty-three pages he describes and pictures the technic of lumbar puncture as well as methods of examination and interpretation of findings, not omitting the gold-sol reaction of Lange. In this chapter, though brief, nothing of importance has been sacrificed. At its conclusion the author indulges in some reflections on the attitude of the serologist which laboratory workers may well consider. He believes that "every serologist learns, sooner or later, that no matter how conscientious his working methods are, a number of errors cannot be avoided with the Wassermann reaction, and that some of the positive reports submitted were unquestionably of negative material." The author advises, therefore, to regard the entire test as
Serology of Nervous and Mental Diseases.. JAMA. 1914;LXIII(16):1412. doi:10.1001/jama.1914.02570160078037