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Creation Date 

1. Before 1961  (2,577)
2. 1961 To 1976  (12,280)
3. 1977 To 1992  (23,931)
4. 1993 To 2009  (43,452)
5. After 2009  (134,652)
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New Records 

1. New From Last Week  (20)
2. New From Last Month  (621)
3. New From Last 3 Month  (2,773)
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Resource Type 

1. Articles  (172,705)
2. Newsletter Articles  (28,649)
3. Web Resources  (3,626)
4. Newspaper Articles  (3,614)
5. magazinearticle  (2,053)
6. Reports  (1,804)
7. Conference Proceedings  (1,734)
8. Book Chapters  (1,098)
9. Thesises (postgraduate)  (503)
10. Books  (299)
11. Reviews  (158)
12. Text Resources  (144)
13. References  (30)
14. Standards  (15)
15. Videos  (14)
16. Government Documents  (1)
17. Audio  (1)
18. Datasets  (1)
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Subject 

1. Cardiac Arrhythmia  (111,718)
2. Science & Technology  (110,662)
3. Life Sciences & Biomedicine  (105,135)
4. Humans  (102,724)
5. Male  (56,734)
6. Female  (50,743)
7. Cardiovascular System & Cardiology  (49,983)
8. Cardiac & Cardiovascular Systems  (48,763)
9. Electrocardiography  (44,696)
10. Middle Aged  (34,739)
11. Aged  (29,622)
12. Heart  (29,557)
13. Patients  (29,196)
14. Adult  (26,673)
15. Animals  (24,190)
16. Arrhythmia  (23,488)
17. Biological And Medical Sciences  (20,749)
18. Cardiovascular Disease  (20,065)
19. Medical Sciences  (19,858)
20. Cardiology  (19,716)
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Databases 

1. ProQuest Central  (131,095)
2. MEDLINE  (120,629)
3. GFMER Free Medical Journals  (48,740)
4. PubMed Central  (45,787)
5. DOAJ Directory of Open Access Journals  (37,720)
6. ROAD: Directory of Open Access Scholarly Resources  (26,658)
7. HighWire Press (Free Journals)  (14,453)
8. Wiley-Blackwell Open Access Titles  (8,275)
9. Springer Nature OA/Free Journals  (6,627)
10. ProQuest One Psychology  (5,934)
11. Journals@Ovid Open Access Journal Collection Rolling  (3,346)
12. Coronavirus Research Database  (2,100)
13. Public Library of Science (PLoS) Journals Open Access  (2,056)
14. Oxford Journals Open Access Collection  (1,759)
15. BMJ Open Access Journals  (1,388)
16. Taylor & Francis Open Access  (1,376)
17. Nature Open Access  (1,269)
18. Medknow Open Access Medical Journals  (1,238)
19. IngentaConnect Free/Open Access Journals  (1,177)
20. Freely Accessible Journals  (1,039)
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Language 

1. English  (198,512)
2. Japanese  (15,476)
3. French  (3,429)
4. Russian  (3,204)
5. German  (3,109)
6. Spanish  (1,653)
7. Italian  (1,380)
8. Chinese  (1,148)
9. Portuguese  (1,128)
10. Polish  (1,082)
11. Czech  (302)
12. Norwegian  (245)
13. Turkish  (211)
14. Danish  (199)
15. Hungarian  (184)
16. Swedish  (167)
17. Slovak  (106)
18. Dutch  (106)
19. Bulgarian  (105)
20. Finnish  (104)
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Journal Title 

1. Circulation  (2,657)
2. Curēus  (2,073)
3. Heart  (2,975)
4. Journal Of Cardiovascular Electrophysiology  (2,120)
5. Journal Of The American College Of Cardiology  (5,456)
6. Pacing And Clinical Electrophysiology  (2,389)
7. Plos One  (1,884)
8. Reactions Weekly  (6,280)
9. The American Heart Journal  (2,507)
10. The American Journal Of Cardiology  (5,391)
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