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Journal
Chin J Obstet Gynecol
Volume
45
Issue
2
Pages
99-103
Publication year
2010
Suggested citation
Guo Z, Ma J, Fan L, Zhang Y, Yang Z, Shi C, Shen L, Ma Z, Wang J, Yang H. [Preterm birth and preterm infants in Beijing regional district]. Chin J Obstet Gynecol. 2010; 45(2): 99-103.