title: [The principles and apparatus of pulmonary function testing].
authors.affiliation: Guanzhou Research Institute of Reapiratory Diseases.
authors.forename: G
authors.initials: G
authors.lastname: Zheng
mesh_terms: D001784:Blood Gas Analysis / Q000295:instrumentation; D006801:Humans; D008176:Lung Volume Measurements / Q000295:instrumentation; D012129:Respiratory Function Tests / Q000295:instrumentation* / Q000379:methods