15α-Hydroxylation of 13-ethy1-estr-4-ene-3,17-dione Using Immobilized Penicillium raistrickii by Calcium Alginate gel Embedding Methd(Chinese)
LI Jun;GENG Xu;ZHANG Pei-jun;WU Zi-rong
Journal of East China Normal University(Natural Science) . 2006, (2): 88 -92 .