Amarasiri, D.L.; Warnakulasuriya, D.T.; Wickremasinghe, A.R.; Gunasekera, K.D.
(Wiley Blackwell Scientific Publications, 2016)
BACKGROUND AND AIMS: Spirometry reference norms have only been reported for Peak Expiratory Flow Rate (PEFR) in Sri Lankan children. The aim of this study was to construct prediction equations for spirometry in Sri Lankan ...