Pulmonary function study in normal Thai children; comparison of spirometric measurements using simple vitalor respirometer and standard spirometer.
D000293:Adolescent; D002648:Child; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008450:Maximal Midexpiratory Flow Rate; D012129:Respiratory Function Tests; D013147:Spirometry / Q000295:instrumentation*; D014797:Vital Capacity