Refine My Results

Creation Date 

1. Before 1959  (5,253)
2. 1959 To 1974  (9,628)
3. 1975 To 1990  (65,805)
4. 1991 To 2007  (249,968)
5. After 2007  (555,503)
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New Records 

1. New From Last Month  (2,723)
2. New From Last 3 Month  (28,060)
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Subject 

1. Chemistry  (225,759)
2. Metallurgy  (225,759)
3. Transporting  (200,838)
4. Performing Operations  (200,838)
5. Prostheses  (165,615)
6. First-Aid Kits  (165,615)
7. Treatment Or Protection Of Eyes Or Ears  (165,615)
8. Orthopaedic, Nursing Or Contraceptive Devices  (165,615)
9. Filters Implantable Into Blood Vessels  (165,615)
10. Bandages, Dressings Or Absorbent Pads  (165,615)
11. Fomentation  (165,615)
12. Preparations For Medical, Dental, Or Toilet Purposes  (139,831)
13. Compositions Based Thereon  (92,930)
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Language 

1. English  (722,082)
2. Chinese  (233,060)
3. French  (176,582)
4. German  (118,300)
5. Korean  (45,671)
6. Japanese  (33,110)
7. Spanish  (23,487)
8. Portuguese  (12,906)
9. Russian  (8,421)
10. Danish  (5,229)
11. Italian  (4,126)
12. Swedish  (3,554)
13. Polish  (3,111)
14. Finnish  (3,052)
15. Norwegian  (2,635)
16. Dutch  (1,485)
17. Czech  (1,007)
18. Turkish  (915)
19. Hungarian  (884)
20. Ukrainian  (748)
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