Authors: Peter Aspelin; Pierre Aubry; Sven-Göran Fransson; Ruth Strasser; Roland Willenbrock; Knut Joachim Berg Journal: N Engl J Med Date: 2003-02-06 Impact factor: 91.245
Authors: Gregory J Merten; W Patrick Burgess; Lee V Gray; Jeremiah H Holleman; Timothy S Roush; Glen J Kowalchuk; Robert M Bersin; Arl Van Moore; Charles A Simonton; Robert A Rittase; H James Norton; Thomas P Kennedy Journal: JAMA Date: 2004-05-19 Impact factor: 56.272