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Creation Date 

1. Before 1997  (161)
2. 1997 To 2002  (1,616)
3. 2003 To 2008  (5,431)
4. 2009 To 2015  (29,383)
5. After 2015  (13,820)
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New Records 

1. New From Last Week  (1)
2. New From Last Month  (22)
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Subject 

1. Hygiene  (31,740)
2. Medical Or Veterinary Science  (31,740)
3. Preparations For Medical, Dental, Or Toilet Purposes  (14,534)
4. Diagnosis  (12,108)
5. Identification  (12,108)
6. Surgery  (12,108)
7. Trapping  (9,872)
8. Fishing  (9,872)
9. Forestry  (9,872)
10. Agriculture  (9,872)
11. Hunting  (9,872)
12. Animal Husbandry  (9,872)
13. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (9,849)
14. Chemistry  (7,100)
15. Metallurgy  (7,100)
16. Their Treatment, Not Covered By Other Classes  (5,657)
17. Foods Or Foodstuffs  (5,657)
18. Organic Chemistry  (5,189)
19. Heterocyclic Compounds  (3,577)
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Language 

1. Russian  (36,476)
2. English  (36,454)
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