00488nas a2200157   4500000000100000008004100001100001000042700001500052700001200067700001400079700001500093245017500108300003400283490000700317050000600324       2005                            d1 aLo S.1 aVickery K.1 aTawk H.1 aBisset L.1 aCossart Y.00aInfection in Endoscopy Study Group. The significance of transfusion in the past as a risk for current hepatitis B and hepatitis C infection: a study in endoscopy patients  a807-13.[Impact Factor  3.374]0 v45  aY