@article{Perneger2013,
author = {Perneger, T.V. and Gayet-Ageron, A. and Courvoisier, D.S. and Agoritsas, T. and Cullati, S.},
title= {Self-rated health: Analysis of distances and transitions between response options},
year = {2013},
doi = {10.1007/s11136-013-0418-5},
volume = {22},
pages = {2761--2768},
}