ŘADA: 15
DíL: 11 - Can You Still Get Polio?
OBSAH
Most cases of polio in this country are caused by the vaccine designed to prevent it. NOVA examines the controvery surrounding the nation's vaccine policy.
ŘADA: 15
DíL: 11 - Can You Still Get Polio?
Most cases of polio in this country are caused by the vaccine designed to prevent it. NOVA examines the controvery surrounding the nation's vaccine policy.
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