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1Dogfen y Llywodraeth CylchgrawnCyhoeddwyd 1978“...National Library of Medicine (U.S.)...”
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3Llyfrgan Blake, John B. (John Ballard), 1922-“...National Library of Medicine (U.S.)...”
Cyhoeddwyd 1967
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5LlyfrCyhoeddwyd 1962“...National Library of Medicine (U.S.)...”
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7LlyfrCyhoeddwyd 1964“...National Library of Medicine (U.S.)...”
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10LlyfrCyhoeddwyd 1979“...National Library of Medicine (U.S.)...”
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11LlyfrCyhoeddwyd 1969“...National Library of Medicine (U.S.)...”
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14Dogfen y Llywodraeth Cyfresol
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15Llyfrgan Klosovskii, B. N. (Boris Nikodimovich), 1898-“...National Library of Medicine (U.S.)...”
Cyhoeddwyd 1963
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16Llyfrgan Smorodintsev, A. A. (Anatolii Aleksandrovich)“...National Library of Medicine (U.S.)...”
Cyhoeddwyd 1964
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17LlyfrCyhoeddwyd 1970“...National Library of Medicine (U.S.)...”
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18Trafodyn Cynhadledd LlyfrPhysical activity and cardiovascular health : January 1990 through September 1995 : 1996 citations /gan Hunt, Jennie P.“...National Library of Medicine (U.S.). Reference Section...”
Cyhoeddwyd 1995
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19Llyfrgan Piotrowski, Jerzy“...National Library of Medicine (U.S.). Special Foreign Currency Program...”
Cyhoeddwyd 1971
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