Authors: L Sutherland; J Singleton; J Sessions; S Hanauer; E Krawitt; G Rankin; R Summers; H Mekhjian; N Greenberger; M Kelly Journal: Gut Date: 1991-09 Impact factor: 23.059
Authors: D Draper; R Parker; E Patterson; W Jones; M Beutz; J French; K Borchardt; J McGregor Journal: J Clin Microbiol Date: 1993-04 Impact factor: 5.948