Microlife PF100 Instruction Manual page 9

Normal PEF Values for Children and Adolescents*
*Leiner GC. et al: Expiratory peak flow rate. AM Rev Respir
Dis 88:644, 1963
1 Polgar G. Promadhat V: Pulmonary Function Testing in
Children: Techniques and Standards. Philadelphia, W.B.
Saunders Company, 1971
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