fifty-six adult sprague-dawley rats were assigned to one of seven groups and underwent bilateral frontal lobe implantation of pcpp-sa ( 42 hemispheres ) , surgicel ( oxidized regenerated cellulose ) ( 35 hemispheres ) , or gelfoam ( absorbable gelatin sponge ) ( 35 hemispheres ) .
C0918040
gelfoam
C0017238
absorbable gelatin sponge