title: A protocol is essential for a systematic review as randomization is for randomized controlled trials.
authors.affiliation: Department of Social Medicine and Public Health, Faculty of Medicine and Dentistry, Palacký University Olomouc, Olomouc, Czech Republic The Czech Republic (Middle European) Centre for Evidence-Based Health Care: an Affiliate Centre of The Joanna Briggs Institute, Faculty of Medicine and Dentistry, Palacký University Olomouc, Czech Republic.
authors.forename: Miloslav
authors.initials: M
authors.lastname: Klugar
mesh_terms: D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D000078202:Systematic Reviews as Topic