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In the course of a considerable number of cases in which our laboratory has been called on to make a diagnosis of rabies in dogs or cattle, I have found it possible to expedite the examination and minimize the danger to the operator by a simple method which is not described, and which is original if not novel. As is well known to those interested in the experimental study of hydrophobia, the material for examination which usually finds its way to a laboratory consists either of the carcass or the head and neck of a dog or other suspected animal. To prosecute the requisite tests one must obtain certain ganglia for making the rapid histologic examination (the Van Gehuchten-Nelis test), and a portion of the brain or cord, preferably of the medulla, for experimental inoculation. Ordinarily the brain of the suspected animal is exposed by piecemeal clipping off the dome of the skull and the arches of the vertebra by means of bone forceps.
OHLMACHER AP. A PROCEDURE FOR FACILITATING THE EXPERIMENTAL TESTING OF RABIES.. JAMA. 1904;XLIII(11):737. doi:10.1001/jama.1904.92500110003