TY - BOOK AU - Abdelhalim,Ayman Hosamy TI - Extraction and purification of some antibiotics from Bacillus subtilis bacteria and study of its applications PY - 2014/// KW - Antibiotics KW - Bacillus subtilis KW - Biotechnology N1 - Thesis (M. S.) -- Cairo University, 2014; Includes bibliographical references (leaves 51-56) UR - http://nile.enal.sci.eg/thesis/3366.pdf ER -