Refine My Results

Creation Date 

1. Before 1960  (820)
2. 1960 To 1975  (10,805)
3. 1976 To 1991  (95,021)
4. 1992 To 2008  (531,129)
5. After 2008  (759,453)
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New Records 

1. New From Last Month  (4,570)
2. New From Last 3 Month  (50,033)
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Subject 

1. Propagating, Preserving Or Maintaining Microorganisms  (1,150,388)
2. Compositions Thereof  (1,150,388)
3. Microorganisms Or Enzymes  (1,150,388)
4. Culture Media  (1,150,388)
5. Hygiene  (1,069,594)
6. Medical Or Veterinary Science  (1,069,594)
7. Preparations For Medical, Dental, Or Toilet Purposes  (1,004,263)
8. Organic Chemistry  (694,900)
9. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (617,498)
10. More options 

Language 

1. English  (1,143,055)
2. French  (359,251)
3. Chinese  (198,823)
4. German  (193,327)
5. Japanese  (65,896)
6. Korean  (50,137)
7. Spanish  (49,971)
8. Portuguese  (25,772)
9. Russian  (23,576)
10. Danish  (15,900)
11. Norwegian  (7,695)
12. Finnish  (7,421)
13. Polish  (5,844)
14. Swedish  (5,441)
15. Hungarian  (3,300)
16. Hebrew  (2,809)
17. Italian  (2,508)
18. Czech  (2,296)
19. Slovenian  (2,202)
20. More options