@article {Murad85, author = {M Hassan Murad and Reem A Mustafa and Holger J Sch{\"u}nemann and Shahnaz Sultan and Nancy Santesso}, title = {Rating the certainty in evidence in the absence of a single estimate of effect}, volume = {22}, number = {3}, pages = {85--87}, year = {2017}, doi = {10.1136/ebmed-2017-110668}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/22/3/85}, eprint = {https://ebm.bmj.com/content/22/3/85.full.pdf}, journal = {BMJ Evidence-Based Medicine} }