How strong is the evidence?
Falck-Ytter
Yngve
Y
Division of Gastroenterology, Case Western Reserve University, Louis Stokes Cleveland VA Medical Center and Case Medical Center, Cleveland, Ohio, USA.
Kunz
Regina
R
Guyatt
Gordon H
GH
Schünemann
Holger J
HJ
D019317:Evidence-Based Medicine; D005762:Gastroenterology; D006801:Humans; D017410:Practice Guidelines as Topic; D019984:Quality Indicators, Health Care; D015203:Reproducibility of Results; D012107:Research Design