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Creation Date 

1. Before 1957  (61,140)
2. 1957 To 1973  (307,328)
3. 1974 To 1990  (1,168,742)
4. 1991 To 2008  (2,709,901)
5. After 2008  (4,164,105)
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New Records 

1. New From Last Week  (2,440)
2. New From Last Month  (17,356)
3. New From Last 3 Month  (58,776)
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Resource Type 

1. Articles  (8,003,317)
2. Newsletter Articles  (194,730)
3. magazinearticle  (64,492)
4. Newspaper Articles  (37,752)
5. Book Chapters  (25,230)
6. Books  (16,633)
7. Reviews  (16,115)
8. Reports  (11,743)
9. Thesises (postgraduate)  (7,156)
10. Images  (6,101)
11. Conference Proceedings  (5,899)
12. Web Resources  (3,964)
13. Text Resources  (2,420)
14. References  (1,597)
15. Datasets  (1,529)
16. Audio  (482)
17. Scores  (369)
18. Videos  (209)
19. Government Documents  (156)
20. Archival Material / Manuscripts  (123)
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Subject 

1. Female  (7,800,806)
2. Humans  (6,780,059)
3. Science & Technology  (6,267,867)
4. Life Sciences & Biomedicine  (6,066,746)
5. Male  (5,221,709)
6. Adult  (3,365,842)
7. Middle Aged  (3,079,673)
8. Aged  (2,169,568)
9. Biological And Medical Sciences  (2,009,455)
10. Medical Sciences  (1,682,380)
11. Animals  (1,368,160)
12. Adolescent  (1,351,349)
13. Child  (889,825)
14. Pregnancy  (780,858)
15. Aged, 80 And Over  (735,330)
16. Young Adult  (733,284)
17. Retrospective Studies  (682,724)
18. Risk Factors  (652,697)
19. Surgery  (630,250)
20. Treatment Outcome  (623,481)
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Databases 

1. MEDLINE  (7,701,302)
2. ProQuest Central  (2,979,102)
3. GFMER Free Medical Journals  (1,940,073)
4. PubMed Central  (1,428,344)
5. DOAJ Directory of Open Access Journals  (1,088,470)
6. ROAD: Directory of Open Access Scholarly Resources  (755,323)
7. HighWire Press (Free Journals)  (727,093)
8. ProQuest One Psychology  (450,572)
9. Wiley-Blackwell Open Access Titles  (351,538)
10. Springer Nature OA/Free Journals  (267,901)
11. Nature Open Access  (134,223)
12. IngentaConnect Free/Open Access Journals  (115,013)
13. Public Library of Science (PLoS)  (105,166)
14. Journals@Ovid Open Access Journal Collection Rolling  (104,391)
15. Education Resources Information Center (ERIC)  (98,245)
16. Taylor & Francis Open Access  (69,137)
17. Freely Accessible Journals  (68,100)
18. JSTOR Early Journal Content  (63,757)
19. SWEPUB Freely available online  (42,118)
20. Oxford Journals Open Access Collection  (40,166)
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Language 

1. Japanese  (903,968)
2. Portuguese  (46,405)
3. Spanish  (16,657)
4. French  (11,576)
5. German  (10,489)
6. Russian  (5,684)
7. Chinese  (4,478)
8. Italian  (2,982)
9. Norwegian  (2,660)
10. Polish  (2,508)
11. Turkish  (1,778)
12. Serbian  (1,506)
13. Romanian  (1,340)
14. Czech  (694)
15. Croatian  (532)
16. Dutch  (440)
17. Swedish  (419)
18. Afrikaans  (231)
19. Arabic  (217)
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Journal Title 

1. American Journal Of Obstetrics And Gynecology  (38,207)
2. Bmj  (31,166)
3. Cancer  (26,581)
4. Obstetrics And Gynecology  (26,168)
5. Plos One  (95,649)
6. Scientific Reports  (32,753)
7. The American Journal Of Cardiology  (22,162)
8. The Journal Of Clinical Endocrinology And Metabolism  (23,126)
9. The Lancet  (39,958)
10. The New England Journal Of Medicine  (23,544)
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