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(2014) J. M. Sargeant et al.   Zoonoses and Public Health

The evidence pyramid and introduction to randomized controlled trials

(2011) Nikolaos Pandis   AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS

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(2010) Kate G. Snedeker et al.   PREVENTIVE VETERINARY MEDICINE

Systematic Review and Meta-analysis: When One Study Is Just not Enough

(2008) A. X. Garg et al.   Clinical Journal of the American Society of Nephrology

GRADE: an emerging consensus on rating quality of evidence and strength of recommendations

(2008) Gordon H Guyatt et al.   BMJ-British Medical Journal