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Authors: G H Guyatt; M J Sullivan; P J Thompson; E L Fallen; S O Pugsley; D W Taylor; L B Berman Journal: Can Med Assoc J Date: 1985-04-15 Impact factor: 8.262
Authors: M A Alpert; J J Curtis; J F Sanfelippo; G C Flaker; J T Walls; V Mukerji; D Villarreal; S K Katti; N P Madigan; R B Krol Journal: J Am Coll Cardiol Date: 1986-04 Impact factor: 24.094
Authors: D J Hildick-Smith; M D Lowe; S A Newell; P M Schofield; L M Shapiro; D L Stone; A A Grace; M C Petch Journal: Heart Date: 1998-04 Impact factor: 5.994