Search | Query | Items found |
---|---|---|
#71 | Search #66 AND #70 | 21 |
#70 | Search #67 OR #68 OR #69 | 144142 |
#69 | Search HIV/AIDS[Title/Abstract] | 17246 |
#68 | Search AIDS[MeSH Terms] | 70455 |
#67 | Search HIV [MeSH Terms] | 73266 |
#66 | Search #59 AND #62 AND #65 | 6914 |
#65 | Search #63 OR #64 | 11513 |
#64 | Search Quality Indicators [Title/Abstract] | 2617 |
#63 | Search Quality Indicators, Healthcare [MeSH Terms] | 10006 |
#62 | Search #60 NOT # 61 | 15517434 |
#61 | Search Human [MeSH Terms] | 12128326 |
#60 | Search Animal [MeSH Terms] | 15794808 |
#59 | Search #31 OR #58 | 6259659 |
#58 | Search #32 OR #33 OR #34 OR #35 OR #36 OR #37 OR #38 OR #39 OR #40 OR #41 OR #42 OR #43 OR #44 OR #46 OR #47 OR #48 OR #49 OR #50 OR #51 OR #52 OR #53 OR #54 OR #55 OR #56 OR #57 | 5638100 |
#57 | Search Outcome Assessment (Health Care)[MeSH Terms] | 64 |
#56 | Search Outcome Assessment (Health Care) | 116277 |
#55 | Search Validation Studies [Publication Type] | 54533 |
#54 | Search Evaluation Studies [Publication Type] | 162083 |
#53 | Search Case Reports [Publication Type] | 1566659 |
#52 | Search Commission on Professional and Hospital Activities[MeSH Terms] | 206 |
#51 | Search Commission on Professional and Hospital Activities | 282 |
#50 | Search Models, Theoretical[MeSH Terms] | 1073230 |
#49 | Search Pilot Projects[Title/Abstract] | 453 |
#48 | Search Pilot Projects[MeSH Terms] | 69739 |
#47 | Search Research[Title/Abstract] | 689721 |
#46 | Search Research[MeSH Terms] | 394473 |
#45 | Search Statistics as Topic[MeSH Terms] | 1664889 |
#44 | Search Statistics as Topic | 1695673 |
#43 | Search Validation Studies as Topic[MeSH Terms] | 913 |
#42 | Search Validation Studies as Topic | 6755 |
#41 | Search Prospective Studies[Title/Abstract] | 17555 |
#40 | Search Prospective Studies[MeSH Terms] | 312410 |
#39 | Search Intervention Studies[Title/Abstract] | 4683 |
#38 | Search Intervention Studies[MeSH Terms] | 5150 |
#37 | Search Twin Studies as Topic[MeSH Terms] | 1360 |
#36 | Search Twin Studies as Topic | 1784 |
#35 | Search Evaluation Studies as Topic[MeSH Terms] | 895895 |
#34 | Search Evaluation Studies as Topic | 906192 |
#33 | Search Feasibility Studies[Title/Abstract] | 535 |
#32 | Search Feasibility Studies[MeSH Terms] | 35041 |
#31 | Search #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 OR #26 OR #27 OR #28 OR #29 OR #30 | 1509215 |
#30 | Search Longitudinal Studies[Title/Abstract] | 9116 |
#29 | Search Longitudinal Studies[MeSH Terms] | 757612 |
#28 | Search Retrospective Studies[Title/Abstract] | 4389 |
#27 | Search Retrospective Studies[MeSH Terms] | 407740 |
#26 | Search Sampling Studies[Title/Abstract] | 126 |
#25 | Search Sampling Studies[MeSH Terms] | 18424 |
#24 | Search Time and Motion Studies[Title/Abstract] | 75 |
#23 | Search Time and Motion Studies[MeSH Terms] | 3137 |
#22 | Search Multicenter Studies as Topic[MeSH Terms] | 14178 |
#21 | Search Multicenter Studies as Topic | 20139 |
#20 | Search Genetic Association Studies[Title/Abstract] | 1533 |
#19 | Search Genetic Association Studies[MeSH Terms] | 10125 |
#18 | Search Seroepidemiologic Studies[Title/Abstract] | 193 |
#17 | Search Seroepidemiologic Studies[MeSH Terms] | 15564 |
#16 | Search Follow-Up Studies[Title/Abstract] | 8404 |
#15 | Search Follow-Up Studies[MeSH Terms] | 438403 |
#14 | Search Cross-Over Studies[Title/Abstract] | 284 |
#13 | Search Cross-Over Studies[MeSH Terms] | 29156 |
#12 | Search Organizational Case Studies[Title/Abstract] | 5 |
#11 | Search Organizational Case Studies[MeSH Terms] | 8339 |
#10 | Search Cross-Sectional Studies[Title/Abstract] | 3917 |
#9 | Search Cross-Sectional Studies[MeSH Terms] | 136893 |
#8 | Search Epidemiologic Studies[Title/Abstract] | 13538 |
#7 | Search Epidemiologic Studies[MeSH Terms] | 1388630 |
#6 | Search Cohort Studies[Title/Abstract] | 8010 |
#5 | Search Cohort Studies[MeSH Terms] | 1155017 |
#4 | Search Case–control Studies[Title/Abstract] | 8277 |
#3 | Search Case–control Studies [MeSH Terms] | 542455 |
#2 | Search observational study[Title/Abstract] | 24606 |
#1 | Search observational studies | 40232 |