1. Chapter 2: 15 million preterm births, priorities for action based on national, regional and global estimates;Blencowe,2012
2. National, regional and worldwide estimates of preterm birth rates in the year 2010 with time trends for selected countries since 1990: a systematic analysis;Blencowe;The Lancet,2012
3. Preventing preterm births: analysis of trends and potential reductions with interventions in 39 countries with very high human development index;Chang;Lancet,2012
4. Chapter 3: care before and between pregnancy;Dean,2012
5. Chapter 1: preterm birth matters;Howson,2012