‌The ROBIS tool was published in the Journal of Clinical Epidemiology.  A pdf paper of the article can be downloaded below:

• ROBIS jclinepi (PDF, 785kB)

Whiting P, Davies P, Savovic J, CaldwellD, Churchill R. (September 2013) Evidence to inform the development of ROBIS, a new tool to assess the risk of bias in systematic reviews:

• ROBIS report (PDF, 1,361kB)‌