1. The use of enantiomers in biological studies: an historical review;Holmstedt,1990
2. Stereochemical aspects of drug action and disposition;Eichelbaum;Adv Drug Res,1996
3. The FDA perspective on the development of stereoisomers;De Camp;Chirality,1989
4. US Food and Drug Administration. FDA's policy statement for the development of new stereoisomeric drugs. http://www.fda.gov/cder/guidance/stereo.htm.
5. Determination of enantiomeric purity;Schurig,1995