@article{Salomon2004,
author = {Salomon, J.A. and Tandon, A. and Murray, C.J.L.},
title= {Comparability of self rated health: cross sectional multi-country survey using anchoring vignettes},
year = {2004},
doi = {10.1136/bmj.37963.691632.44},
journal = {British Medical Journal},
volume = {328},
number = {7434},
pages = {258},
}