Ajmera MR, Boscoe A, Mauskopf J, Candrilli SD, Levy M. Evaluation of comorbidities and health care resource use among patients with highly active neuromyelitis optica. J Neurol Sci. 2018 Jan;384(2018):96-103. doi: 10.1016/j.jns.2017.11.022
Martín-Merino E, Fortuny J, Rivero-Ferrer E, Lind M, Garcia Rodriguez LA. Risk factors for diabetic macular oedema in type 2 diabetes: a case-control study in a United Kingdom primary care setting. Prim Care Diabetes. 2017 Jun;11(3):288-96. doi: 10.1016/j.pcd.2017.03.002
Martin-Merino E, Fortuny J, Rivero-Ferrer E, Lind M, Garcia-Rodriguez LA. Risk factors for diabetic retinopathy in people with type 2 diabetes: a case-control study in a UK primary care setting. Prim Care Diabetes. 2016 Aug;10(4):300-8. doi: 10.1016/j.pcd.2016.01.002.
Rubino A, Rousculp MD, Davis KL, Wang J, Girach A. Diagnosed diabetic retinopathy in France, Italy, Spain, and the United Kingdom. Prim Care Diabetes. 2007 Jun;1(2):75-80.