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Wash. 17. Serum Diagnosis of Pregnancy.-Jellinghaus and Losee do not recommend the dialysation method for diagnostic pur¬ poses. It is entirely a laboratory procedure, the many sources of error make it absolutely unsuited for an office test, although the little box containing the reagents, etc., put up by a well-known drug firm would lead one to believe that it is. The box contains two dialysers, powdered placental albumen, etc. The powdered albumen is absolutely useless, as the authors havedoi:10.1001/jama.1914.02560430060041 fatcat:3qanvgtecfet3j5la23gsluea4