United States USA Date:1956 Duration:1 min 46 sec Sound:NO SOUND
Men perform experiment on monkeys in the United States. A man enters a large medical facility. A man shaves the hair of a resus monkey. The monkey in a cage. The monkey eats a banana. A man takes the monkey out from the cage. Men shave hair of the monkey. Another man enters the room. Polio vaccine research.
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