Gascon M, Cirach M, Martinez D, Dadvand P, Valentin A, Plasencia A, Nieuwenhuijsen MJ. Normalized difference vegetation index (NDVI) as a marker of surrounding greenness in epidemiological studies: the case of Barcelona city. Urban For Urban Green. 2016 Sep;19:88-94. doi: 10.1016/j.ufug.2016.07.001
Colosia AD, Palencia R, Khan S. Prevalence of hypertension and obesity in patients with type 2 diabetes mellitus in observational studies: a systematic literature review. Diabetes Metab Syndr Obes. 2013 Sep 17;6:327-38.
Curtis B, Hayes RP, Fehnel S, Zografos L. Assessing the effect of weight and weight loss in obese persons with type 2 diabetes. Diabetes Metab Syndr Obes. 2008 Oct 1;1:13-23.