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Walking test for assessing lung function and exercise performance in patients with cardiopulmonary disease
Hye Kyung Jung, Jung Hyun Chang, Seon Hee Cheon
Tuberc Respir Dis.1996;43(6):976-986. Published online 2016 March 15
DOI: http://dx.doi.org/10.4046/trd.1996.43.6.976
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