Incentive spirometry in sickle cell crisis.
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Merrill
D000755:Anemia, Sickle Cell / Q000150:complications*; D001945:Breathing Exercises; D002908:Chronic Disease; D003362:Cost-Benefit Analysis; D006801:Humans; D008171:Lung Diseases / Q000517:prevention & control*; D001261:Pulmonary Atelectasis / Q000517:prevention & control; D013147:Spirometry / Q000191:economics