{HEAD ~ The test spectrum} may be processed to determine a relation to a group of class labeled spectra produced from {TAIL ~ respective serum} from other patients having the or similar clinical stage same disease or disorder and known to have responded or not responded to the drug 
{ HEAD ~ The test spectrum } may be processed to determine a relation to a group of class labeled spectra produced from { TAIL ~ respective serum } from other patients having the or similar clinical stage same disease or disorder and known to have responded or not responded to the drug
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