Frequency and influencing factors of ketoacidosis at diabetes onset in children and adolescents – a long-term study between 1995 and 2009 - Karges, B; Neu, A; Hofer, S E; Rosenbauer, J; Kiess, W; Rütschle, H; Dost, A; Kentrup, H; Holl, R W (Klin Pediatr, 2011)