@article{Perera2009,
author = {Perera, B. and Østbye, T. and Jayawardana, C.},
title= {Neighborhood environment and self-rated health among adults in southern Sri Lanka},
year = {2009},
doi = {10.3390/ijerph6082102},
journal = {International Journal of Environmental Research and Public Health},
volume = {6},
number = {8},
pages = {2102--2112},
}