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Authors: P M Small; R W Shafer; P C Hopewell; S P Singh; M J Murphy; E Desmond; M F Sierra; G K Schoolnik Journal: N Engl J Med Date: 1993-04-22 Impact factor: 91.245
Authors: Eduardo Hernández-Garduño; Dennis Kunimoto; Lei Wang; Mabel Rodrigues; R Kevin Elwood; William Black; Sunny Mak; J Mark FitzGerald Journal: CMAJ Date: 2002-08-20 Impact factor: 8.262