Ashraf M, Shokrollahi S, Pisig AU, Sampani K, Abdelal O, Cavallerano JD, Robertson G, Fleming A, van Hemert J, Pitoc CM, Sun JK, Aiello LP, Silva PS. Retinal vascular caliber association with nonperfusion and diabetic retinopathy severity depends on vascular caliber measurement location. Ophthalmol Retina. 2021 Jun;5(6):571-9. doi: 10.1016/j.oret.2020.09.003
Raleigh VS, Irons R, Hawe E, Scobie S, Cook A, Reeves R, Petruckevitch A, Harrison J. Ethnic variations in the experiences of mental health service users in England: results of a national patient survey programme. Br J Psychiatry. 2007;191:304-12.
Munro J, O'Sullivan D, Andrews C, Arana A, Mortimer A, Kerwin R. Active monitoring of 12,760 clozapine recipients in the UK and Ireland. Beyond pharmacovigilance. Br J Psychiatry. 1999 Dec;175:575-80. doi: 10.1192/bjp.175.6.576