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bao bei ji hua di 6 yue
Author(s): 
Pages: 52-53
Year: Issue:  6
Journal: Chinese Baby

Abstract: 刚开始学坐时,时间不宜太久,宝宝的脊椎骨尚未发育完全,如果长时间坐着,容易导致脊椎侧弯,影响正常的生长发育。
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