1. Validating electronic source data in clinical trials
2. Integrated Web-Based Clinical Data Handling Solutions
3. Web‐based randomization facility for Perinatal trials. Retrieved from Oxford University Department of Public Health Institute of Health Sciences web site. Available at:http://acdt.oucs.ox.ac.uk/ltgweb/index.php?action=view_projects&proj_id=2002n.
4. Clinphone product web site (n.d.)Available at:http://www.clinphone.com/IWR.asp.