We used results from two surveys - the World health survey and the Living Standards Measurement Study - that asked the same respondents about health expenditures in different ways.

We analysed pooled data on neonatal survival in singleton infants born in the 5 years before each of the Indonesian demographic and health surveys of 1994, 1997 and 2002-2003.

To determine whether routine surveys, such as the Demographic and Health Surveys (DHS), have underestimated child mortality in Malawi.