Respiratory function tests. reference norms for the sinhalese

Udupihille, M.2016-01-142016-01-141995The Ceylon Medical Journal, 40(2)pp.53-58https://dl.nsf.gov.lk/handle/1/20743Medical SciencesPhysiologyHealth surveysRespiratory systemVital capacityRespiratory function tests. reference norms for the sinhaleseArticle