| http://www.w3.org/ns/prov#value | - Doctors at London's Royal Brompton Hospital have introduced a weekly singing group led by a professional musician which is offered to people with respiratory problems including asthma, emphysema, and Chronic Obstructive Pulmonary Disorder, or COPD, after reasoning that the kind of breathing used by singers might also help lung patients. (AP Photo/Sang Tan)
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