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1
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2LlyfrCyhoeddwyd 1968“...National Cancer Institute (U.S.)...”
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3CyfresolCyhoeddwyd 1951“...National Cancer Institute (U.S.)...”
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4LlyfrCyhoeddwyd 1975“...National Cancer Institute (U.S.). Epidemiology Branch...”
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5
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6
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7
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8LlyfrCyhoeddwyd 1977“...National Cancer Institute (U.S.). Epidemiology Branch...”
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9LlyfrCyhoeddwyd 1981“...National Cancer Institute (U.S.). Clinical Investigation Review Committee...”
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10
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11LlyfrCyhoeddwyd 1984“...National Cancer Institute (U.S.). Division of Cancer Cause and Prevention...”
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12CylchgrawnCyhoeddwyd 1968“...National Cancer Institute (U.S.). Division of Cancer Treatment...”
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13LlyfrCyhoeddwyd 1976“...National Cancer Institute (U.S.). Temporary Committee for the Review of Data on Carcinogenicity...”
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14
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15LlyfrCyhoeddwyd 1980“...National Cancer Institute (U.S.)...”
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16Trafodyn Cynhadledd LlyfrCyhoeddwyd 1975“...National Cancer Institute (U.S.). Division of Cancer Treatment...”
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17Trafodyn Cynhadledd LlyfrCyhoeddwyd 1979“...National Cancer Institute (U.S.). Division of Cancer Cause and Prevention...”
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18LlyfrCyhoeddwyd 1976“...National Cancer Institute (U.S.). Division of Cancer Research Resources and Centers...”
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19Trafodyn Cynhadledd LlyfrCyhoeddwyd 1973“...National Cancer Institute (U.S.)...”
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20Trafodyn Cynhadledd LlyfrCyhoeddwyd 1970“...National Cancer Institute (U.S.)...”