R. Kulawy

Poor correlation between 6beta-hydroxycortisol:cortisol molar ratios and midazolam clearance as measure of hepatic CYP3A activity.

S. Gotzkowsky, A. Kashuba, Ya-Chi Chen, 2006, British journal of clinical pharmacology.

Use of midazolam urinary metabolic ratios for cytochrome P450 3A (CYP3A) phenotyping.

A. Nafziger, J. Bertino, R. Kulawy, 2001, Pharmacogenetics.