%0 Journal Article %B BMJ Glob Health %D 2018 %G eng %N 2 %P e000755 %R 10.1136/bmjgh-2018-000755 %T Surrogate endpoints in global health research: still searching for killer apps and silver bullets? %V 3 %1 https://www.ncbi.nlm.nih.gov/pubmed/29607104?dopt=Abstract