Clostridium perfringens genotype:Prid:Pt:Isolate:Nom
clostridium perfringens genotype:prid:pt:isolate:nom
Clostridium perfringens genotype:Presence or Identity:To identify measures at a point in time:Isolate:Nominal
clostridium perfringens genotype:presence or identity:to identify measures at a point in time:isolate:nominal