cortical connections of area 18 ( v-ii ) and part of the dorsolateral visual area ( dl ) were determined in squirrel monkeys with single and multiple injections of the sensitive bidirectional tracer , wheat germ agglutinin conjugated to horseradish peroxidase ( wga-hrp ) .
C0019941
horseradish peroxidase
C0078473
wga-hrp