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■PWB 



REGENT STUDIES UPON IMMUNITY. 



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J. 6. ADAMI, M.A., M.B., M.R.C.S., 



Fellow of Jesus Oollege, Oambridge. 



* •* 



[Reprinted from the " JMedicai Chronide," Noyfmber and December, 1891.] 



JOBR BETWOOn, FBIKTKB, MANCHESTER AMD LONDON. 



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