title: Are not good practice statements necessarily based on evidence? Are their grades always strong?
authors.affiliation: Department of Laboratory Medicine, Hôpital de la Chartreuse, avenue Caylet, F-12200 Villefranche-de-Rouergue, France. Electronic address: joseph.watine@ch-villefranche-rouergue.fr.
authors.forename: Joseph
authors.initials: J
authors.lastname: Watine
mesh_terms: D004813:Epidemiology / Q000592:standards*; D055317:Evidence-Based Practice; D017408:Guidelines as Topic; D006801:Humans