Vaccines which prevent {HEAD ~ the morbidity} and mortality associated with {TAIL ~ clostridial diseases} are provided 
Vaccines which prevent { HEAD ~ the morbidity } and mortality associated with { TAIL ~ clostridial diseases } are provided
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH