@article{Subramanian2004,
author = {Subramanian, S.V.},
title= {The relevance of multilevel statistical methods for identifying causal neighborhood effects},
year = {2004},
doi = {10.1016/S0277-9536(03)00415-5},
journal = {Social Science & Medicine},
volume = {58},
number = {10},
pages = {1961--1967},
}