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1 Breathing Reserve Index at Anaerobic Threshold of Cardiopulmonary Exercise Test in Chronic Obstructive Pulmonary Disease
Byoung Hoon Lee, Soon Bock Kang, Sung Jin Park, Hyun Suk Jee, Jae Chol Choi, Yong Bum Park, Chang Hyuk Ahn, Jae Yeol Kim, In Won Park, Byung Whui Choi, Sung Ho Hue
Tuberc Respir Dis.1999;46(6):795-802.   Published online 2016 March 11     DOI: http://dx.doi.org/10.4046/trd.1999.46.6.795
      

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