Peak flow meters.
Kawane
H
H
Soejima
R
R
Kojima
K
K
D000328:Adult; D000368:Aged; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D010366:Peak Expiratory Flow Rate / Q000502:physiology; D012129:Respiratory Function Tests / Q000295:instrumentation*