1. Peak expiratory flow;Quanjer;Conclusions and recommendations of a working party of the European Respiratory Society,1997
2. Interrelationships of peak expiratory flow rate with physical and cognitive function in the elderly;Cook;MacArthur Foundation studies of aging,1995
3. Performance tests and disability;Lan;Developing an objective index of mobility-related limitation in older populations,2002
4. Ventilatory capacity and risk for dementia;Schaub;J Gerontol A Biol Sci Med Sci,2000
5. Peak expiratory flow rate in an elderly population;Cook;Am J Epidemiol,1989