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Limit to humans
FinalResult NOT (Animals/ NOT (Animals/ AND Humans/))
FinalResult NOT (exp animals/ not humans.sh.)
FinalResult NOT ("Animals"[Mesh] NOT ("Animals"[Mesh] AND "Humans"[Mesh]))
Remove Duplicates in Ovid Medline
Remove duplicates from # (# = set number)
(Note that sets larger than 6000 cannot be de-duped.)
unusual presentation*.mp. or novel presentation*.mp. or mimic*.mp. or masquerad*.mp. or resembl*.mp. or simulant.mp. or simulat* or misdiagnos*.mp. or like.mp. or mistaken.mp. or chameleon*.mp. or diagnostic error*.mp. or exp diagnostic errors/ or differential diagnosis.mp. or exp diagnosis, differential/ or mislead*.mp. or rare.mp. or uncommon presentation*.mp.
"unusual presentation*" OR "novel presentation*" OR mimic* OR masquerad* OR resembl* OR simulant OR simulat* OR misdiagnos* OR like OR mistaken OR chameleon* OR "diagnostic error*" OR diagnostic errors[mesh] OR "differential diagnosis" OR diagnosis, differential[mesh] OR mislead* OR rare OR "uncommon presentation*"
Improved CCG child filter for PubMed (https://www.jpeds.com/article/S0022-3476(12)01026-8/pdf)
Infan* OR newborn* OR new-born* OR perinat* OR neonat* OR baby OR baby* OR babies OR toddler* OR minors OR minors* OR boy OR boys OR boyfriend OR boyhood OR girl* OR kid OR kids OR child OR child* OR children* OR schoolchild* OR schoolchild OR school child[tiab] OR school child*[tiab] OR adolescen* OR juvenil* OR youth* OR teen* OR under*age* OR pubescen* OR pediatrics[mh] OR pediatric* OR paediatric* OR peadiatric* OR school [tiab] OR school*[tiab] OR prematur* OR preterm*
ISSG Search Filters Resource
Filters for specific study design/focus. Also includes filters for age, geographic, population groups, etc.
Search Strategy Used to Create the Systematic Reviews Subset on PubMed
This strategy is intended to retrieve citations identified as systematic reviews, meta-analyses, reviews of clinical trials, evidence-based medicine, consensus development conferences, guidelines, and citations to articles from journals specializing in review studies of value to clinicians. This filter can be used in a search as systematic [sb].
Example: exercise hypertension AND systematic [sb]
SIGN Search Filters
Systematic reviews (Word)
Randomised controlled trials (Word)
Observational studies (Word)
Diagnostic studies (Word)
Economic studies (Word)
Patient issues (Word)
CADTH's Search Filters Database
Systematic Reviews/Meta-Analysis/Health Technology Assessment
Randomized Controlled Trials
Economic Evaluations/Cost/Economic Models
Health Utilities/Quality of Life
Narrow Economic filter
PubMed Special Queries/Subsets
PubMed Special Queries
The last version of the selected PubMed Special Queries are available to use as a base to customize, update, and save as your own search strategies in My NCBI.
Includes: AIDS, Bioethics, Cancer, Complementary Medicine, Core Clinical Journals, Dental journals, Developmental and Reproductive Toxicology (DART), Dietary Supplements, Electronic Health Records, Health Disparities, Health Literacy, History of Medicine, Nursing Journals, Population Health, Research Reporting Guidelines and Initiatives, Smallpox, Toxicology, Veterinary Science
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