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Creation Date 

1. Before 1957  (7,843,602)
2. 1957 To 1973  (5,949,950)
3. 1974 To 1990  (20,532,402)
4. 1991 To 2008  (39,531,530)
5. After 2008  (46,407,397)
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New Records 

1. New From Last Week  (86,362)
2. New From Last Month  (1,465,305)
3. New From Last 3 Month  (1,615,981)
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Resource Type 

1. Patents  (93,448,904)
2. Articles  (24,424,573)
3. magazinearticle  (1,008,202)
4. Reports  (894,201)
5. Reviews  (772,614)
6. Book Chapters  (469,954)
7. Thesises (postgraduate)  (142,880)
8. Conference Proceedings  (132,101)
9. Newspaper Articles  (115,204)
10. Books  (85,334)
11. Web Resources  (72,046)
12. Newsletter Articles  (66,938)
13. References  (37,919)
14. Images  (35,367)
15. Journals  (13,880)
16. Government Documents  (9,947)
17. Text Resources  (8,747)
18. Archival Material / Manuscripts  (6,582)
19. Datasets  (5,380)
20. Other  (4,065)
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Subject 

1. Transporting  (22,347,061)
2. Performing Operations  (22,347,038)
3. Physics  (21,214,990)
4. Electricity  (20,026,962)
5. Human Necessities  (17,652,709)
6. Chemistry  (16,046,997)
7. Metallurgy  (15,640,282)
8. Science & Technology  (11,427,599)
9. Mechanical Engineering  (11,263,705)
10. Lighting  (11,261,318)
11. Heating  (11,259,933)
12. Weapons  (11,259,496)
13. Blasting  (11,255,957)
14. Life Sciences & Biomedicine  (10,350,439)
15. Hygiene  (9,311,705)
16. Medical Or Veterinary Science  (9,288,849)
17. Basic Electric Elements  (8,570,760)
18. Electric Communication Technique  (7,602,852)
19. Humans  (7,228,818)
20. Counting  (6,734,053)
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Author/Creator 

1. Olson, Steve  (472)
2. Institute of Medicine (U.S.)  (381)
3. Wizemann, Theresa  (330)
4. Institute of Medicine  (220)
5. Coussens, Christine  (179)
6. Olsen, Leighanne  (177)
7. Mack, Alison  (164)
8. Institute of Medicine Staff  (157)
9. Board on Health Sciences Policy  (93)
10. Board on Population Health and Public Health Practice  (57)
11. Board on Global Health  (54)
12. National Research Council (U.S.)  (50)
13. National Academy of Sciences  (46)
14. Olson, Steve  (33)
15. Food and Nutrition Board  (31)
16. Board on Health Care Services  (30)
17. National Research Council  (29)
18. Health and Medicine Division  (24)
19. National Academy of Engineering  (24)
20. National Research Council Staff  (24)
21. Forum on Microbial Threats  (21)
22. National Academy of Sciences Staff  (21)
23. National Academy of Sciences (U.S.)  (19)
24. Division on Earth and Life Studies  (19)
25. Field, Marilyn Jane  (18)
26. Roundtable on Translating Genomic-Based Research for Health  (17)
27. Wizemann, Theresa  (16)
28. National Academy of Engineering Staff  (16)
29. Mack, Alison  (15)
30. Field, Marilyn J  (14)
31. Lohr, Kathleen N  (14)
32. Roundtable on Environmental Health Sciences, Research, and Medicine  (14)
33. Olsen, LeighAnne  (11)
34. United States  (11)
35. Coussens, Christine  (10)
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Databases 

1. esp@cenet  (93,391,662)
2. ProQuest Central  (15,542,394)
3. MEDLINE  (9,449,069)
4. Geneva Foundation Free Medical Journals at publisher websites  (8,843,994)
5. Open Access: PubMed Central  (8,012,814)
6. DOAJ Directory of Open Access Journals  (6,534,035)
7. ROAD: Directory of Open Access Scholarly Resources  (5,056,203)
8. HighWire Press (Free Journals)  (3,262,091)
9. ProQuest One Psychology  (1,978,763)
10. SpringerOpen  (912,981)
11. Open Access: Wiley-Blackwell Open Access Journals  (756,606)
12. US Government Documents  (622,870)
13. Open Access: Nature Open Access  (599,152)
14. Ebook Central - Academic Complete  (442,112)
15. PLoS_OA刊  (364,690)
16. Free E- Journals  (346,163)
17. Journals@Ovid Open Access Journal Collection Rolling  (344,649)
18. SciELO  (331,868)
19. IngentaConnect Free/Open Access Journals  (264,934)
20. Medknow Medical Journals (Open access)  (243,796)
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Language 

1. English  (107,504,403)
2. French  (16,766,801)
3. German  (12,300,254)
4. Spanish  (3,124,647)
5. Korean  (2,545,985)
6. Russian  (2,125,174)
7. Japanese  (1,728,914)
8. Portuguese  (1,574,747)
9. Italian  (806,481)
10. Swedish  (564,290)
11. Danish  (510,784)
12. Finnish  (425,312)
13. Polish  (343,080)
14. Dutch  (313,452)
15. Norwegian  (259,406)
16. Ukrainian  (225,715)
17. Chinese  (183,116)
18. Turkish  (143,489)
19. Hebrew  (130,278)
20. Czech  (105,169)
21. Romanian  (97,379)
22. Greek  (1)
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Journal Title 

1. Blood  (182,533)
2. Bmj  (444,223)
3. British Medical Journal  (720,083)
4. Cancer Research  (160,526)
5. Journal Of The American College Of Cardiology  (134,904)
6. Plos One  (293,990)
7. Reactions Weekly  (302,833)
8. Scientific Reports  (194,807)
9. The Lancet  (655,196)
10. The New England Journal Of Medicine  (246,407)
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