<qa>  What is the name of the study that was funded by NCCAM?Probe substrate compounds for the major CYP enzymes are available to assess genetic, environmental, and ethnic differences in enzyme activity. In the last 2 years our research group has published 7 full research reports utilizing probe drug methodology in assessing botanical-drug interactions. These studies were likewise funded by NCCAM, had an excellent safety record, and were performed within the MUSC GCRC. 