The sore throat: a clinical research challenge for the family physician.
Blake
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RL
D002986:Clinical Trials as Topic; D004917:Erythromycin / Q000627:therapeutic use*; D005194:Family Practice; D006801:Humans; D010612:Pharyngitis / Q000188:drug therapy*; D011897:Random Allocation
D004917:Erythromycin