in the first set of experiments , six new zealand white rabbits were given intra-arterial injections of 0.4 ml of a mixture containing 300,000 u of penicillin g benzathine and 300,000 units of penicillin procaine per milliliter ( bicillin c-r ) into the left femoral artery and 0.4 ml of normal saline into the right femoral artery as autocontrol .
C0030842
penicillin
C0030830
penicillin procaine