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    • Trends of preterm birth and low birth weight in Japan: a one hospital-based study 

      Yorifuji, Takashi; Naruse, Hiroo; Kashima, Saori; Murakoshi, Takeshi; Kato, Tsuguhiko; Inoue, Sachiko; Doi, Hiroyuki; Kawachi, Ichiro (BioMed Central, 2012)
      Background: The proportions of preterm birth (PTB, ie., delivered before 37 gestational weeks) and low birth weight (LBW, ie., birth weight less than 2500 g at delivery) have been rising in developed countries. We sought ...