@misc{indiciae520253dbe3b7, title = {Zone design for environment and health studies using pre-aggregated data.}, author = {Samantha Cockings and David Martin}, year = {2004}, doi = {10.1016/j.socscimed.2004.11.005}, url = {https://pubmed.ncbi.nlm.nih.gov/15820583/}, note = {Source identifier: 15820583} }