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Creation Date 

1. Before 1965  (23)
2. 1965 To 1979  (171)
3. 1980 To 1993  (925)
4. 1994 To 2008  (3,996)
5. After 2008  (11,077)
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Subject 

1. Human Necessities  (14,818)
2. Hygiene  (13,940)
3. Medical Or Veterinary Science  (13,940)
4. Preparations For Medical, Dental, Or Toilet Purposes  (10,724)
5. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (8,357)
6. Chemistry  (5,304)
7. Metallurgy  (5,304)
8. Organic Chemistry  (4,597)
9. Heterocyclic Compounds  (3,029)
10. Diagnosis  (1,369)
11. Identification  (1,369)
12. Surgery  (1,369)
13. Peptides  (1,178)
14. Microbiology  (1,170)
15. Biochemistry  (1,170)
16. Spirits  (1,170)
17. Vinegar  (1,170)
18. Mutation Or Genetic Engineering  (1,170)
19. Beer  (1,170)
20. Enzymology  (1,170)
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Language 

1. English  (14,074)
2. Chinese  (4,043)
3. French  (2,937)
4. German  (1,470)
5. Spanish  (761)
6. Korean  (731)
7. Russian  (642)
8. Japanese  (483)
9. Portuguese  (332)
10. Hebrew  (108)
11. Danish  (97)
12. Ukrainian  (96)
13. Polish  (74)
14. Norwegian  (51)
15. Hungarian  (41)
16. Italian  (33)
17. Finnish  (26)
18. Slovenian  (26)
19. Czech  (23)
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