M-mode Ultrasound Assessment of Diaphagmatic Excursions in Chronic Obstructive Pulmonary Disease: Relation to Pulmonary Function Test and Mouth Pressure.
1998 ◽
Vol 45
(4)
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pp. 736
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2014 ◽
Vol 3
(3)
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pp. 289
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2020 ◽
1993 ◽
Vol 94
(5)
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pp. 469-474
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2020 ◽