@article{Gerdtham2005,
author = {Gerdtham, U.-G. and Lundin, D. and Sáez-Marti, M.},
title= {The ageing of society, health service provision, and taxes},
year = {2005},
doi = {10.1007/s00148-005-0223-8},
journal = {Journal of Population Economics},
volume = {18},
number = {3},
pages = {519--537},
}