Quality assessment of clinical practice guidelines in perioperative care: a systematic appraisal
Leticia Barajas-Nava, Ivan Solà, Mario Delgado-Noguera, Ignasi Gich, Carola Orrego Villagran, Xavier Bonfill, Pablo Alonso-Coello
Quality and Safety in Health Care Dec 2010, 19 (6) e50; DOI: 10.1136/qshc.2009.038653