National, regional, and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications

Authors: Hannah Blencowe, Simon Cousens, Mikkel Z. Oestergaard, Doris Chou, Ann‐Beth Moller, Rajesh Narwal, Alma J Adler, Claudia Vera Garcia, Sarah Rohde, Lale Say, Joy E Lawn - The Lancet 2012 cited by 4,653