Authors: T Aberg; G Ronquist; H Tydén; S Brunnkvist; J Hultman; K Bergström; A Lilja Journal: J Thorac Cardiovasc Surg Date: 1984-01 Impact factor: 5.209
Authors: A C Breuer; A J Furlan; M R Hanson; R J Lederman; F D Loop; D M Cosgrove; R L Greenstreet; F G Estafanous Journal: Stroke Date: 1983 Sep-Oct Impact factor: 7.914