Report copyright - 都道府県別複産分娩率jamba.or.jp/2016/wp/wp-content/uploads/2018/09/f5a12afa8...複産分娩率(01北海道) 0 0.002 0.004 0.006 0.008 0.01 0.012 0.014 1995 1996 1997
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