Association of glycaemia with macrovascular and microvascular complications of type 2 diabetes (UKPDS 35): prospective observational study. - Stratton IM; Adler AI; Neil HAW; Matthews DR; Manley SE; Cull CA; Hadden D; Turner RC; Holman RR; UK Prospective Diabetes Study Group (BMJ: British Medical Journal (International Edition), 2000)