Muhammad Ashraf <br/><br/>
Phytochemical Studies on Taxus Wallichiana Zucc., Podophyllum Emodivar Hexandrum and Related Medicinal Plants  Ph.D. Thesis 

 - Karachi:  H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi  1999 
 -  Thesis, available in print and electronic formats, supervised by  Prof. Dr. Muhammad Iqbal Choudhary