An assessment of the value of breathing exercises in chronic bronchitis and asthma.
D001249:Asthma / Q000628:therapy*; D001945:Breathing Exercises; D001991:Bronchitis / Q000628:therapy*; D029481:Bronchitis, Chronic; D006801:Humans; D012119:Respiration
ASTHMA/therapy; BRONCHITIS/therapy; RESPIRATION