Drug testing and other services can be beneficial. When you work with a medical review officer, there are some very beneficial MRO services you can take advantage of. Its simply a matter of greencitywr.com finding out what services you can tap into and knowing how they will be able to help you. Electronic Data Management In todays tech savvy world, it is important to be able to access data electronically. One of the top MRO services is electronic data management. It will allow you to keep all of the infor.