Refine My Results

Creation Date 

1. Before 1958  (539)
2. 1958 To 1973  (2,667)
3. 1974 To 1989  (4,853)
4. 1990 To 2006  (22,544)
5. After 2006  (230,421)
6. More options 

New Records 

1. New From Last Month  (1,486)
2. New From Last 3 Month  (6,073)
3. More options 

Resource Type 

1. Articles  (150,119)
2. Newsletter Articles  (93,786)
3. Web Resources  (5,272)
4. Book Chapters  (3,353)
5. Newspaper Articles  (2,088)
6. magazinearticle  (1,567)
7. Patents  (1,558)
8. Books  (1,171)
9. Thesises (postgraduate)  (1,072)
10. Images  (296)
11. Reviews  (226)
12. Conference Proceedings  (116)
13. Text Resources  (98)
14. Reports  (55)
15. Videos  (13)
16. Audio  (7)
17. References  (1)
18. More options 

Subject 

1. Humans  (48,717)
2. Science & Technology  (42,649)
3. Life Sciences & Biomedicine  (42,048)
4. Adult  (41,636)
5. Female  (39,276)
6. Male  (36,041)
7. Middle Aged  (26,484)
8. Adolescent  (17,029)
9. Aged  (16,337)
10. Young Adult  (12,894)
11. Public, Environmental & Occupational Health  (11,343)
12. Medicine, General & Internal  (11,030)
13. Brazil  (9,102)
14. Child  (8,800)
15. Health Policy & Services  (8,126)
16. Cross-Sectional Studies  (8,043)
17. Nursing  (7,665)
18. Risk Factors  (6,661)
19. Health Care Sciences & Services  (6,309)
20. Original  (6,188)
21. More options 

Databases 

1. ProQuest Central  (160,380)
2. DOAJ Directory of Open Access Journals  (125,680)
3. SciELO  (93,589)
4. ROAD: Directory of Open Access Scholarly Resources  (91,693)
5. GFMER Free Medical Journals  (58,048)
6. MEDLINE  (51,706)
7. PubMed Central  (46,847)
8. Dialnet  (9,557)
9. ProQuest One Psychology  (9,004)
10. Thieme Connect Journals Open Access  (4,256)
11. African Journals Online (Open Access)  (3,208)
12. AOSIS OpenJournals  (2,410)
13. Bioline International  (2,360)
14. Sabinet African Journals Open Access Collection  (2,177)
15. Springer Nature OA/Free Journals  (1,769)
16. Coronavirus Research Database  (1,630)
17. esp@cenet  (1,558)
18. IngentaConnect Free/Open Access Journals  (1,303)
19. Freely Accessible Journals  (910)
20. Universidade do Porto Institutional Repository Open Access  (612)
21. More options 

Language 

1. English  (84,873)
2. Spanish  (28,825)
3. Japanese  (1,751)
4. Afrikaans  (879)
5. French  (605)
6. German  (283)
7. Turkish  (161)
8. Italian  (148)
9. Catalan  (18)
10. Norwegian  (6)
11. Dutch  (6)
12. Polish  (4)
13. Swedish  (3)
14. Latin  (2)
15. Chinese  (2)
16. Czech  (1)
17. Estonian  (1)
18. Finnish  (1)
19. Danish  (1)
20. More options 

Journal Title 

1. Arquivos Brasileiros De Cardiologia  (3,262)
2. Arquivos De Neuro-Psiquiatria  (2,985)
3. Brazilian Journal Of Medical And Biological Research  (1,661)
4. Cadernos De Saúde Pública  (2,667)
5. Ciência & Saude Coletiva  (5,748)
6. Revista Brasileira De Enfermagem  (2,032)
7. Revista Da Sociedade Brasileira De Medicina Tropical  (1,937)
8. Revista De Saúde Pública  (2,268)
9. Revista Do Instituto De Medicina Tropical De São Paulo  (1,445)
10. Revista Latino-Americana De Enfermagem  (1,933)
11. More options