{"id":"balshem2011grade","DOI":"10.1016/j.jclinepi.2010.07.015","URL":"https://doi.org/10.1016/j.jclinepi.2010.07.015","type":"article-journal","title":"GRADE guidelines: 3. Rating the quality of evidence","author":[{"given":"Howard","family":"Balshem"},{"given":"Mark","family":"Helfand"},{"given":"Holger J.","family":"Schünemann"},{"given":"Andrew D.","family":"Oxman"},{"given":"Regina","family":"Kunz"},{"given":"Jan","family":"Brozek"},{"given":"Gunn E.","family":"Vist"},{"given":"Yngve","family":"Falck-Ytter"},{"given":"Joerg","family":"Meerpohl"},{"given":"Susan","family":"Norris"}],"issued":{"date-parts":[[2011]]},"year-text":"2011","container-title":"Journal of Clinical Epidemiology","catalog-key":"SRC0D8MQ1BP6P28"}