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February 23, 1929

BLOOD GROUP CLASSIFICATIONS USED IN HOSPITALS IN THE UNITED STATES AND CANADAFINAL REPORT

Author Affiliations

ROCHESTER, N. Y.

From the Department of Bacteriology, University of Rochester School of Medicine and Dentistry.

JAMA. 1929;92(8):610-615. doi:10.1001/jama.1929.02700340010005
Abstract

As stated in the preliminary report,1 it seemed advisable at this time to gather information concerning blood group classifications in use in the chief hospitals in the United States and Canada. In addition to the Jansky and Moss classifications, a third classification is now being advocated. This classification is variously referred to as the National Research Council classification, the International classification, and the AB, A, B, O classification, but is probably better known by its author's name, the "new" Landsteiner classification.2

The purpose of those advocating the adoption of the "new" Landsteiner classification was "to make an end of the confusion regarding the numbering of the blood groups." A similar attempt was made by special committees3 in 1921 in order to secure universal adoption of the Jansky classification. The first attempt to gain this end was not preceded by a survey of the classifications in use in

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