bibliographic entry 6949464 [be/6949464]
https://w3id.org/oc/corpus/be/6949464

is a

• bibliographic reference

content

• Guyatt GH, Oxman AD, Sultan S, et al. GRADE Working Group. GRADE guidelines: 9. Rating up the quality of evidence. J Clin Epidemiol 2011; 64:1311-6. doi:10.1016/j.jclinepi.2011.06.004. 21802902.

references

• https://w3id.org/oc/corpus/br/259767