Refine My Results

Creation Date 

1. Before 1959  (816)
2. 1959 To 1974  (2,477)
3. 1975 To 1990  (44,510)
4. 1991 To 2007  (237,520)
5. After 2007  (382,748)
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New Records 

1. New From Last Month  (1,184)
2. New From Last 3 Month  (10,283)
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Resource Type 

1. Patents  (596,714)
2. Articles  (63,995)
3. Books  (3,134)
4. Conference Proceedings  (1,202)
5. Thesises (postgraduate)  (604)
6. Reviews  (589)
7. Book Chapters  (582)
8. magazinearticle  (385)
9. Videos  (348)
10. Web Resources  (338)
11. Reports  (98)
12. Drawing/Maps  (57)
13. Text Resources  (42)
14. Images  (34)
15. Archival Material / Manuscripts  (3)
16. Audio  (2)
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Subject 

1. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (422,618)
2. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (422,618)
3. General Tagging Of New Technological Developments  (422,618)
4. Transporting  (250,631)
5. Performing Operations  (250,631)
6. Technical Subjects Covered By Former Uspc  (246,299)
7. Physics  (192,687)
8. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (191,005)
9. Technical Subjects Covered By Former Us Classification  (185,015)
10. Chemistry  (160,022)
11. Metallurgy  (157,360)
12. Heating  (121,537)
13. Mechanical Engineering  (121,533)
14. Blasting  (121,503)
15. Weapons  (121,495)
16. Lighting  (121,490)
17. Electricity  (118,767)
18. Information And Communication Technology [ict] Specially Adaptedfor Specific Application Fields  (88,119)
19. Human Necessities  (87,434)
20. Basic Electric Elements  (78,423)
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Databases 

1. esp@cenet  (596,714)
2. MEDLINE  (26,758)
3. ProQuest Central  (21,621)
4. Geneva Foundation Free Medical Journals at publisher websites  (11,729)
5. ROAD: Directory of Open Access Scholarly Resources  (11,635)
6. DOAJ Directory of Open Access Journals  (10,165)
7. PubMed Central  (9,520)
8. Open Access: EDP Open  (6,756)
9. Erudit Open Access Journals  (4,276)
10. Cairn.info - Revues en accès libre  (4,030)
11. Hyper Article en Ligne (HAL) (Open Access)  (3,881)
12. Gallica Periodicals  (3,723)
13. HighWire Press (Free Journals)  (2,792)
14. Canada Commons: Books & Documents  (2,660)
15. African Journals Online (Open Access)  (2,034)
16. Canada Commons: Documents  (1,591)
17. Scholars Portal Books: Canadian Public Documents Collection xxxx-2015  (1,497)
18. Wiley Online Library Open Access  (1,132)
19. Journals@Ovid Open Access Journal Collection Rolling  (1,035)
20. ProQuest One Psychology  (794)
21. More options 

Language 

1. English  (619,602)
2. German  (281,736)
3. Japanese  (36,216)
4. Chinese  (9,880)
5. Korean  (7,621)
6. Spanish  (5,255)
7. Russian  (2,624)
8. Portuguese  (1,689)
9. Italian  (665)
10. Czech  (441)
11. Arabic  (270)
12. Romanian  (262)
13. Slovak  (192)
14. Dutch  (161)
15. Polish  (127)
16. Swedish  (127)
17. Hungarian  (103)
18. Norwegian  (46)
19. Finnish  (44)
20. More options 

Journal Title 

1. Bulletin De L'académie Nationale De Médecine  (1,448)
2. Canadian Family Physician  (1,237)
3. Gastroentérologie Clinique Et Biologique  (1,718)
4. Hydrogeology Journal  (1,211)
5. Journal De Gynécologie, Obstétrique Et Biologie De La Reproduction  (1,305)
6. Journal Francais D'ophtalmologie  (2,436)
7. Journal Français D'ophtalmologie  (3,205)
8. M.S. Médecine Sciences  (3,481)
9. Revue Des Maladies Respiratoires  (1,435)
10. The Pan African Medical Journal  (1,771)
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