@article{Petrov2007,
author = {Petrov, I.C.},
title= {The elderly in a period of transition: Health, personality and social aspects of adaptation},
year = {2007},
doi = {10.1196/annals.1396.041},
journal = {Annals of the New York Academy of Sciences},
volume = {1114},
pages = {300--309},
}