Duncan, D.T., Regan, S.D., Shelley, D., Day, K., Ruff, R.R., Al-Bayan, M. and Elbel, B. 2014. Application of global positioning system methods for the study of obesity and hypertension risk among low-income housing residents in New York City: a spatial feasibility study. Geospatial Health. 9, 1 (Nov. 2014), 57–70. DOI:https://doi.org/10.4081/gh.2014.6.