Ngiam, T E Ventilatory functions of normal Singapore Chinese children--II: Wright's peak flow meter. [electronic resource] - The Journal of the Singapore Paediatric Society 1980 - 72-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0037-5683 Subjects--Topical Terms: ChildFemaleForced Expiratory Flow Rates--instrumentationHumansMalePeak Expiratory Flow Rate--instrumentationReference ValuesSingapore