Authors: Timothy Flynn; Julie Fritz; Julie Whitman; Robert Wainner; Jake Magel; Daniel Rendeiro; Barbara Butler; Matthew Garber; Stephen Allison Journal: Spine (Phila Pa 1976) Date: 2002-12-15 Impact factor: 3.468
Authors: Steven Z George; Giorgio Zeppieri; Anthony L Cere; Melissa R Cere; Michael S Borut; Michael J Hodges; Dalton M Reed; Carolina Valencia; Michael E Robinson Journal: Pain Date: 2008-09-10 Impact factor: 6.961