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Stockholm's Karolinska hospital - this boy works a stationary bicycle while his heart is being tested for abnormalities
Stockholm's Karolinska hospital - this boy works a stationary bicycle while his heart is being tested for abnormalities
A young boy with wires attached to his arms, head, and chest is using a stationary bicycle; a nurse monitors the equipment to which the boy is connected. Verso: WHO/7241. World Health - January/February 1960. Sweden Health Services.
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World Health Organization; World Health Organization website