@article{Ploubidis2011,
author = {George Ploubidis and Emily Grundy},
title = {Health measurement in population surveys: combining information from self-reported and observer-measured health indicators},
journal = {Demography},
year = {2011},
month = {Dec},
volume = {48},
number = {2},
pages = {699-724},
url = {},
}