symptoms

1940s

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Close up shot of doctor’s hands pushing on girls feet, testing strength…

1940s

13171_4341_polio_diagnosis_and_management5

Graph of spinal segment fades away. Graph of years of paralysis in…

1940s

13171_4341_polio_diagnosis_and_management12

Shot of doctor with glasses standing at the foot of young man’s bed.…

1970s

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Scientific experiment in which three men dressed in blue and sitting in…