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A Comparison of Cough Assistance Techniques in Patients with Respiratory Muscle Weakness
Sun Mi Kim, Won Ah Choi, Yu Hui Won, Seong-Woong Kang
Yonsei Med J.2016;57(6):1488-1493. Published online 2016 August 30
DOI: http://dx.doi.org/10.3349/ymj.2016.57.6.1488
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