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March 9, 1963


JAMA. 1963;183(10):29-48. doi:10.1001/jama.1963.03700100005002

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One of the greatest concerns of physicians and scientists working toward man's conquest of space is the question of radiation. How much radiation can the human body tolerate without ultimate damage? What is the best protection against it? How can its strength be predicted?

An immediate question concerns the planned flights of teams of astronauts in the Gemini and Apollo pro

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