{TAIL ~ The present invention contemplates} vaccinating {HEAD ~ humans} and other animals polypeptides derived from C. botulinum neurotoxin which are substantially endotoxin free 
{ TAIL ~ The present invention contemplates } vaccinating { HEAD ~ humans } and other animals polypeptides derived from C. botulinum neurotoxin which are substantially endotoxin free
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH