近年来临床使用便携式呼气峰速仪进行肺功能测定，作为诊断哮喘、病情监测及合理治疗的客观依据。但峰速值的正常范围受性别、年龄、身高、体重及海拔等诸多因素的影响。为正确判定我市两城区学龄前儿童的肺功能状况并为患儿提供准确的诊断指标，我们分别于１９９６年３月... In recent years, clinical use of portable breath peak velocity meter for lung function determination, as an objective diagnosis of asthma, disease monitoring and reasonable treatment. However, the normal range of peak velocity is influenced by many factors such as gender, age, height, weight and altitude. In order to correctly determine the city’s lung function of preschool children in two cities and provide accurate diagnostic indicators for children, we were in March 1996 ...