title: Onward.
authors.affiliation: , Hangzhou, China.
authors.forename: Qiang
authors.initials: Q
authors.lastname: Shu
authors.forename: Zheng-Yan
authors.initials: ZY
authors.lastname: Zhao
mesh_terms: D055811:Journal Impact Factor; D010372:Pediatrics; D010506:Periodicals as Topic / Q000706:statistics & numerical data
references.citation: World J Pediatr. 2009 Feb;5(1):31-5
references.pmid: 19172329
references.citation: World J Pediatr. 2009 May;5(2):118-21
references.pmid: 19718533