References
- Fonken , G. S. and Johnson , R. A. 1972 . Chemical Oxidation with Microorganisms , New York : Marcel Dekker Inc. .
- Kramili , A. and Horvath , J. 1949 . Microbial transformation of progesterone by Rhizopus arrhizus . Nature , 163 : 219 – 220 .
- William , C. and Marshal , L. M. 1967 . Microbial Transformation of Steroids , New York : Academic Press .
- Guyton , A. C. and Hal , J. E. 1979 . Textbook of Medical Physiology , 1009 – 1011 . Philadalphia : W.B. Sanders Company .
- Calabresi , P. and Park Robert , E. 1975 . The Pharmacological Basis of Therapeuticss , Edited by: Goodman , S. L. and Gilman , A. Vol. 2 , 1252 New York : MacMillan Publishing Co. .
- Hanson , J. R. , Parvez , A. and Nasir , H. 1996 . the hydroxylation of testosterone and some relatives by Cephalosporium aphidicola . Phytochemistry , 42 : 411 – 414 .
- Mahato , S. B. and Majumdar , I. 1993 . Current trends in microbial steroid Biotransformation . Phytochemistry , 34 : 883 – 886 .