Methods 693 strains of pathogens causing urinary infection were analysed using the method and standard of the National Committee of Clinical Laboratory Standard(NCCLS) .

• 方法采用NCCLs制订的方法和标准检测从泌尿系感染标本中分离出的693株细菌的耐药状况。结果革兰氏阴性杆菌占74。