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'proliferation,': [48], 'numbers': [52, 70, 185, 191], 'BrdU-labeled': [54, 72, 113, 193], 'at': [56, 195], 'different': [57], 'estrous': [58], 'cycle': [59], 'stages': [60], 'after': [62, 230], 'steroid': [64], 'manipulation.': [65], 'Stereological': [66], 'analyses': [67], 'revealed': [74, 199], 'that': [75, 200, 223, 238, 262], 'females': [76, 99, 130, 217, 254], 'produced': [77, 131], 'more': [78, 132, 246], 'than': [80, 222], 'males': [81, 226, 257], 'dentate': [84, 206], 'gyrus': [85, 207], 'but': [86], 'not': [87], 'subventricular': [90], 'zone.': [91], 'The': [92], 'new': [95, 202, 264], 'appears': [100], 'be': [102], 'affected': [103], 'by': [104, 118, 227], 'hormone': [106], 'levels;': [107], 'ovariectomy': [108], 'diminished': [109], 'number': [111, 212], 'cells,': [114], 'an': [115, 267], 'effect': [116], 'reversed': [117], 'estrogen': [119, 137], 'replacement.': [120], 'A': [121], 'natural': [122], 'fluctuation': [123], 'proliferation': [126, 241], 'was': [127], 'also': 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