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doi:10.1001/jama.1957.62980040018026c

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May 25, 1957

NORWAY

JAMA. 1957;164(4):483. doi:10.1001/jama.1957.62980040018026c

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NORWAY. JAMA. 1957;164(4):483. doi:10.1001/jama.1957.62980040018026c

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