TY - RPRT TI - pH-induced conformational changes in Clostridium difficile toxin B. AU - M Qa'Dan AU - L M Spyres AU - J D Ballard PY - 2000 DO - 10.1128/iai.68.5.2470-2474.2000 UR - https://pubmed.ncbi.nlm.nih.gov/10768933/ ID - 10768933 ER -