IN 1969 I was a member of a medical research team sent to Linhsien county in Honan province to study prevention and treatment of cancer of the esophagus. The work was organized by the Chinese Academy...
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IN 1969 I was a member of a medical research team sent to Linhsien county in Honan province to study prevention and treatment of cancer of the esophagus. The work was organized by the Chinese Academy...