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2. Metallurgy  (97,211)
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5. Biochemistry  (94,281)
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8. Mutation Or Genetic Engineering  (94,281)
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11. Human Necessities  (80,014)
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15. Compositions Thereof  (77,262)
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17. Culture Media  (77,262)
18. Preparations For Medical, Dental, Or Toilet Purposes  (75,660)
19. Organic Chemistry  (54,704)
20. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (50,597)
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Databases 

1. esp@cenet  (100,463)
2. USPTO Issued Patents  (4,232)
3. USPTO Published Applications  (1,561)
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