Lindenmann J, Matzi V, Anegg U, Neuboeck N, Porubsky C, Fell B, Raber T, Ratzenhofer-Komenda B, Renner H, Klemen H, Greilberger J, Haas J, Maier A, Smolle-Juettner F
Acta Anaesthesiol Scand. 2010 Jul;54(6):784-5. doi: 10.1111/j.1399-6576.2009.02187.x.