Hannah H Chang

Preventing preterm births: analysis of trends and potential reductions with interventions in 39 countries with very high human development index

Jim Larson, Salimah Walani, Joe Leigh Simpson, 2013, The Lancet.

Preventing preterm births: analysis of trends and potential reductions with interventions in 39 countries with very high human development index

Hannah H Chang, 2012 .

Preventing preterm births: analysis of trends and potential reductions with interventions in 39 countries with very high human development index

Joy E. Lawn, Jim Larson, Joe Leigh Simpson, 2013, The Lancet.

Preterm births in countries with a very high human development index – Authors' reply

J. Lawn, H. Blencowe, J. Simpson, 2013, The Lancet.