one only affects the kinetics of the disease when extraneural injections are used , the other acts irrespective of the route of injection and it is suggested that it determines the structure of a multimeric agent-replication site , the number of such subcellular sites in the body being strictly limited. -- different agent strain/host genotype combinations give such a wide range of results that conventional quantitative analysis can yield little of predictive genetical value unless the major biological variables in host and agent can be specified .
C1514721
range
C0392762
quantitative