Paee 



Introduction 145 



Materials and methods 145 



Collection of blood samples 145 



Determinations of blood properties 146 



Comparison of blood properties 146 



Hemoglobin 146 



Sedimentation rates 147 



Erythrocyte fragility 147 



Total serum proteins 147 



Serum chlorides 148 



Serum electrophoretic patterns 149 



Summary and conclusions 150 



Literature cited 150 



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