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Creation Date 

1. Before 1958  (443,762)
2. 1958 To 1973  (940,723)
3. 1974 To 1989  (2,905,312)
4. 1990 To 2006  (7,443,736)
5. After 2006  (15,285,935)
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New Records 

1. New From Last Week  (154)
2. New From Last Month  (22,976)
3. New From Last 3 Month  (145,669)
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Resource Type 

1. Articles  (26,116,356)
2. Conference Proceedings  (257,481)
3. Book Chapters  (212,868)
4. magazinearticle  (207,691)
5. Reviews  (113,526)
6. Books  (20,099)
7. Videos  (6,744)
8. Web Resources  (4,383)
9. Reports  (924)
10. Thesises (postgraduate)  (670)
11. Datasets  (654)
12. Newsletter Articles  (624)
13. Images  (376)
14. Text Resources  (371)
15. Other  (74)
16. Government Documents  (61)
17. Drawing/Maps  (36)
18. Archival Material / Manuscripts  (19)
19. Audio  (9)
20. References  (8)
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Subject 

1. Science & Technology  (26,229,037)
2. Life Sciences & Biomedicine  (16,582,144)
3. Humans  (7,369,236)
4. Physical Sciences  (6,778,064)
5. Technology  (4,531,061)
6. Female  (3,735,635)
7. Male  (3,716,223)
8. Animals  (3,436,431)
9. Biological And Medical Sciences  (3,205,711)
10. Chemistry  (2,677,664)
11. Exact Sciences And Technology  (2,467,098)
12. Physics  (2,466,785)
13. Engineering  (2,070,618)
14. Adult  (2,043,965)
15. Middle Aged  (1,849,829)
16. Medical Sciences  (1,841,355)
17. Biochemistry & Molecular Biology  (1,721,743)
18. Science & Technology - Other Topics  (1,687,088)
19. Fundamental And Applied Biological Sciences. Psychology  (1,482,040)
20. General & Internal Medicine  (1,416,931)
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Databases 

1. ProQuest Central  (11,403,748)
2. MEDLINE  (11,115,789)
3. DOAJ Directory of Open Access Journals  (7,725,075)
4. Geneva Foundation Free Medical Journals  (7,085,393)
5. PubMed Central (Open access)  (6,760,193)
6. ROAD  (5,833,932)
7. HighWire Press (Free Journals)  (2,531,922)
8. Wiley Open Access  (1,106,372)
9. Springer_OA刊  (1,039,221)
10. ProQuest One Psychology  (1,026,488)
11. Nature Open Access  (494,142)
12. Hyper Article en Ligne (HAL) (Open Access)  (413,942)
13. IOP Journals (Institute Of Physics)  (362,355)
14. IngentaConnect  (332,584)
15. PLoS (Open access)  (329,192)
16. Journals@Ovid Open Access Journal Collection Rolling  (325,615)
17. Oxford Academic Journals (Open Access)  (312,573)
18. JSTOR Early Journal Content Free  (289,852)
19. Taylor & Francis (Open access)  (273,625)
20. Free E- Journals  (268,210)
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Language 

1. English  (26,798,798)
2. Japanese  (3,194,007)
3. Portuguese  (214,505)
4. German  (75,807)
5. Spanish  (69,005)
6. French  (60,226)
7. Russian  (43,731)
8. Norwegian  (18,571)
9. Turkish  (16,467)
10. Chinese  (13,748)
11. Polish  (11,391)
12. Korean  (8,712)
13. Hungarian  (7,823)
14. Italian  (7,584)
15. Czech  (6,265)
16. Dutch  (4,335)
17. Slovak  (3,698)
18. Croatian  (2,671)
19. Ukrainian  (2,356)
20. Serbian  (1,794)
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Journal Title 

1. Bmj  (185,120)
2. British Medical Journal  (122,224)
3. Journal Of The American Chemical Society  (103,721)
4. Nature  (211,099)
5. Plos One  (276,688)
6. Proceedings Of The National Academy Of Sciences - Pnas  (140,043)
7. Scientific Reports  (191,915)
8. The Astrophysical Journal  (112,700)
9. The Journal Of Biological Chemistry  (162,091)
10. The Lancet  (123,347)
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