Authors: Neeltje van den Berg; Claudia Meinke; Romy Heymann; Thomas Fiss; Eileen Suckert; Christian Pöller; Adina Dreier; Wolfgang Hoffmann; Hagen Rogalski; Roman Oppermann; Thomas Karopka Journal: Dtsch Arztebl Int Date: 2009-01-05 Impact factor: 5.594
Authors: P Kinnersley; E Anderson; K Parry; J Clement; L Archard; P Turton; A Stainthorpe; A Fraser; C C Butler; C Rogers Journal: BMJ Date: 2000-04-15