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142], 'COPD.': [41], '<h3>METHODS:</h3>': [42], 'In': [43, 135], 'a': [44], 'case': [45], 'series,': [46], '21': [47], 'underwent': [49], 'at': [51, 64, 121, 131], '8': [52], 'cm': [53], 'H<sub>2</sub>O': [54], 'for': [55, 151], '15': [56, 65, 122, 152], 'min,': [57, 153], 'then': [58], 'whole-body': [59], 'plethysmography': [60], 'immediately': [61], 'after,': [62], '30': [67, 132, 162], 'min': [68, 123], 'after': [69, 114], 'CPAP.': [70], '<h3>RESULTS:</h3>': [71], 'The': [72], 'cohort9s': [73], 'mean': [74, 85], '±': [75, 80, 89], 'SD': [76], 'age': [77], 'was': [78, 87], '70': [79], '9': [81], 'y,': [82], 'FEV<sub>1</sub>': [86], '41': [88], '8%': [90], 'predicted.': [92], 'Residual': [93], 'volume,': [94], 'functional': [95], 'capacity,': [97, 100, 109], 'total': [98, 107], 'ratio': [102], 'to': [106, 129, 139, 159], 'decreased': [113], 'did': [117], 'not': [118], 'significantly': [119], 'change': [120], '(<i>P</i>': [124], '<': [125], '.001),': [126], 'but': [127, 154], 'returned': [128], 'baseline': [130, 160], 'min.': [133, 163], '<h3>CONCLUSIONS:</h3>': [134], 'severe': [138, 141], 'very': [140], 'COPD,': [143], 'reduces': [145], 'volumes': [147, 157], 'return': [158]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2088765043', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 3}], 'updated_date': '2024-12-07T18:13:30.910893', 'created_date': '2016-06-24'}