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'percentiles': [54], '62;66)': [55], 'with': [56, 67, 140, 170, 189, 218], 'a': [57, 72, 78, 190], 'smoking': [58], 'history': [59], '40.1': [61], '(31.7;53)': [62], 'pack': [63], 'studied': [66], 'function': [69], 'tests': [70], 'questionnaire': [73], 'at': [74], 'end': [76], '15': [79, 197], 'year': [80, 198], 'follow': [81, 199], 'up': [82, 200], 'period.': [83, 201], 'Sputum': [84], 'was': [85, 125, 135, 162], 'induced': [86], 'by': [87], 'inhalation': [88], 'hypertonic': [90], 'saline': [91], 'differential': [93], 'leucocyte': [94], 'counts': [95], 'performed': [97], 'on': [98], 'cytospin': [99], 'preparations.': [100], 'RESULTS:': [101], 'Adequate': [102], 'samples': [104], 'obtained': [106], '38': [108], 'subjects': [109], '(78%).': [110], 'The': [111, 158], 'ratio': [112], 'forced': [114], 'expiratory': [115], 'volume': [116], 'one': [118], 'second': [119], '(FEV1)': [120], 'to': [121], 'vital': [122], 'capacity': [123], '(VC)': [124], '67.1': [126], '(60;': [127], '72)%': [128], 'annual': [131], 'FEV1': [134, 194], '19.4': [136], '(12;30)': [137], 'ml/year.': [138], 'Subjects': [139], 'obstruction': [142, 155, 204], '(FEV1/VC': [143], '<': [144], '63%)': [145], 'had': [146], 'more': [147], 'neutrophils': [148, 161, 183, 222], '(77': [149, 166], '(50;86)%)': [150], 'than': [151, 173], 'those': [152, 169, 175], 'without': [153, 176], '(60': [156], '(43;73)%).': [157], 'percentage': [159], 'also': [163], 'significantly': [164], 'greater': [165], '(62;85)%)': [167], 'chronic': [171, 206, 245], 'expectoration': [172, 177], '(57': [178], '(45;75)%.': [179], 'Increased': [180], 'levels': [181], 'correlated': [188], 'rapid': [191], 'over': [195], 'CONCLUSIONS:': [202], 'Airways': [203], 'expectoration,': [207], 'as': [208, 210], 'well': [209], 'accelerated': [211], 'are': [216], 'associated': [217], 'increased': [219], 'numbers': [220], 'which': [230], 'suggests': [231], 'that': [232], 'neutrophilic': [233], 'be': [239], 'involved': [240], 'pathogenesis': [243], 'obstructive': [246], 'pulmonary': [247], 'disease.': [248]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2152520891', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 15}, {'year': 2022, 'cited_by_count': 19}, {'year': 2021, 'cited_by_count': 12}, {'year': 2020, 'cited_by_count': 12}, {'year': 2019, 'cited_by_count': 15}, {'year': 2018, 'cited_by_count': 9}, {'year': 2017, 'cited_by_count': 15}, {'year': 2016, 'cited_by_count': 14}, {'year': 2015, 'cited_by_count': 25}, {'year': 2014, 'cited_by_count': 20}, {'year': 2013, 'cited_by_count': 28}, {'year': 2012, 'cited_by_count': 23}], 'updated_date': '2024-12-13T21:16:53.407059', 'created_date': '2016-06-24'}