TY - GEN AU - ORTEGA,M V AU - BROWN,G M TI - Precursors of nicotinic acid in Escherichia coli SN - 0021-9258 PY - 1998///1101 KW - Escherichia coli KW - metabolism KW - Niacin KW - Nicotinic Acids N1 - Publication Type: Journal Article ER -