Articles Ethics in Clinical Research To What Extent Do Risks Need to Be Minimized? Share To What Extent Do Risks Need to Be Minimized?Download PDF Practical Ethicist column from the Journal of Empirical Research in Human Research Ethics. Don't trust your study to just anyone. WCG's IRB experts are standing by to handle your study with the utmost urgency and care. Contact us today to find out the WCG difference!