Is there any research I can review on the use of neurofeedback in clinical practice?

Yes, there has been a great deal of research on the use of Neurofeedback in clinical practice. Here are some resources you can review regarding research:

https://stresstherapysolutions.com/links/
http://www.brainmaster.com/kb/entry/231/
http://www.brainm.com/software/pubs/BiofeedbackCaseStudy2.pdf
http://www.bcia.org/i4a/pages/index.cfm?pageid=3691
http://www.eeginfo.com/research/