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FromDecember 1 995toMay 1 996, 4hospitalsinBeijing,GuangzhouandChengduhad 30 1 patientswithinfantileacutebronchitis(IAB)treatedwithQingre
FromDecember 1 995toMay 1 996, 4hospitalsinBeijing,GuangzhouandChengduhad 30 1 patientswithinfantileacutebronchitis(IAB)treatedwithQingre