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157, 189, 235, 294, 299], 'regions.': [18], 'Methods:': [19], 'Seventy‐two': [20], 'PD': [21, 61, 63, 116, 135, 169, 197, 212, 245, 248, 267, 289, 325], 'patients': [22, 117], 'and': [23, 31, 38, 49, 77, 89, 96, 109, 161, 170, 246, 297, 317, 331], '62': [24], 'controls': [25, 59, 138, 171], 'were': [26, 54, 100], 'studied': [27], 'at': [28], 'both': [29, 103, 179], 'baseline': [30], 'after': [32], '18': [33], 'months': [34], 'with': [35, 60, 137, 221, 270], 'MRI.': [36], 'R2*': [37, 95, 129, 160, 192], 'quantitative': [39, 97, 146, 162, 238], 'susceptibility': [40, 98, 147, 163, 239], 'mapping': [41, 99, 148, 164, 240], 'values': [42], 'from': [43], 'the': [44, 104, 124, 292, 321], 'pars': [47, 52, 107, 112, 127, 158, 190, 236, 295, 300], 'compacta': [48, 108, 128, 191, 296], 'reticulata': [53, 113, 159, 237], 'calculated.': [55], 'Mixed‐effects': [56], 'models': [57], 'compared': [58, 136], 'or': [62], 'subgroups': [64, 198], 'having': [65], 'disease': [67], 'durations:': [68], 'early': [69], '(<1': [70], 'year),': [71], 'middle': [72], '(<5': [73], 'years,': [74, 80], 'middle‐stage': [75, 244], 'PD),': [76], 'late': [78], '(>5': [79], 'late‐stage': [81], 'PD).': [82], "Pearson's": [83], 'correlation': [84], 'assessed': [85], 'associations': [86], 'between': [87, 168], 'imaging': [88], 'clinical': [90], 'measures.': [91], 'Results:': [92], 'At': [93], 'baseline,': [94], 'higher': [101, 194, 242], 'all': [115, 196], '(group': [118], 'effect,': [119, 183], 'P': [120, 142, 152, 175, 184, 200, 216, 230, 250, 261, 279], '≤': [121, 185, 201, 251], '0.003).': [122], 'Longitudinally,': [123], 'showed': [130, 204, 254], 'a': [131, 205, 255], 'faster': [132, 207], 'increase': [133, 208], '(time': [139, 172, 182, 213, 258], '×': [140, 173, 214, 259], 'group,': [141, 174, 215, 260], '=': [143, 153, 228, 231, 262, 277], '0.002),': [144, 252], 'whereas': [145], 'did': [149, 165], 'not': [150, 166], '(': [151, 226, 275], '0.668).': [154], 'The': [155, 302], 'differ': [167], '≥': [176], '0.084),': [177], 'although': [178], 'decreased': [180], 'longitudinally': [181], '0.004).': [186], 'Baseline': [187, 233], 'was': [193, 241], '(group,': [199, 249], '0.006),': [202], 'but': [203, 253], 'significantly': [206], 'only': [209, 264], 'later‐stage': [211, 247, 266, 309], '<': [217, 280], '0.0001)': [218], 'that': [219, 268], 'correlated': [220, 269], 'nonmotor': [224], 'symptoms': [225], 'r': [227, 276], '0.746,': [229], '0.002).': [232], 'decrease': [257], '0.004)': [263], 'motor': [273], 'signs': [274], '0.837,': [278], '0.001).': [281], 'Conclusion:': [282], 'revealed': [285], 'distinct': [286], 'patterns': [287, 304], 'of': [288], 'progression': [290], 'reticulata.': [301], 'are': [305], 'particularly': [306], 'clear': [307], 'patients.': [310], 'These': [311], 'findings': [312], 'resolve': [314], 'past': [315], 'controversies': [316], 'have': [318], 'implications': [319], 'pathophysiological': [322], 'processes': [323], 'during': [324], 'progression.': [326], '©': [327], '2018': [328], 'International': [329], 'Parkinson': [330], 'Movement': [332], 'Disorder': [333], 'Society': [334]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2804998168', 'counts_by_year': [{'year': 2024, 'cited_by_count': 9}, {'year': 2023, 'cited_by_count': 9}, {'year': 2022, 'cited_by_count': 13}, {'year': 2021, 'cited_by_count': 17}, {'year': 2020, 'cited_by_count': 11}, {'year': 2019, 'cited_by_count': 7}, {'year': 2018, 'cited_by_count': 5}], 'updated_date': '2024-09-11T22:05:41.704160', 'created_date': '2018-06-01'}