Ronald S. Swerdloff, MD, LA BioMed (IMAGE) LA BioMed Caption Ronald S. Swerdloff, MD, is the principal investigator for the testosterone trial at LA BioMed. Credit LA BioMed Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.