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Systematic Literature Review (SLR) Services

Transparent. Reproducible. Journal-Ready.

We deliver end-to-end, PRISMA 2020-aligned SLRs and Scoping Reviews: protocol, comprehensive multi-database search, Rayyan screening, structured extraction, quality appraisal (JBI/CASP/AMSTAR 2), rigorous synthesis, and a clean write-up tailored to your journal or thesis guidelines.

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PRISMA 2020 Rayyan Screening JBI / CASP / AMSTAR 2 Scopus · WoS · PubMed · IEEE

What is a Systematic Review?

Focused Question

PICO/PEO framing to keep scope disciplined and answerable.

Comprehensive Search

Custom strings across major databases with full search logs.

Transparent Screening

Dual-review via Rayyan, inclusion/exclusion reasons recorded.

Quality Appraisal

JBI/CASP/AMSTAR 2 or domain tools with agreement stats.

Scope of Work

Protocol & Registration
  • Objectives & eligibility
  • Inclusion/Exclusion criteria
  • PROSPERO (if applicable)
Database Search
  • Scopus, Web of Science
  • PubMed/Medline, Embase
  • IEEE Xplore/ACM (STEM)
Screening (Rayyan)
  • Title/abstract & full-text
  • Dual reviewers
  • Exclusion reasons logged
Data Extraction
  • Custom forms & pilot
  • Codebook & variables
  • Author queries (if needed)
Quality Appraisal
  • JBI / CASP / AMSTAR 2
  • Risk of bias tables
  • Inter-rater agreement
Synthesis & Reporting
  • Narrative/Meta-analysis
  • Subgroup/Sensitivity
  • PRISMA flow & checklist
RayyanCovidenceEndNote/Zotero RevMan/JASP/RExcel/SheetsPRISMA 2020

Our SLR Process

Step 1
Brief & Scope

Clarify question, outcomes, databases, timelines. NDA available.

1–2 days
Step 2
Protocol & Search

Draft protocol and peer-review search strings with logs.

3–5 days
Step 3
Screen & Extract

Dual screening in Rayyan; pilot extraction; resolve conflicts.

5–10 days
Step 4
Appraise & Synthesize

Quality/risk-of-bias, synthesis, PRISMA reporting, write-up.

5–10 days

What You’ll Receive

Complete, reproducible files and a clean manuscript aligned with your target journal or thesis guidelines.

SLR Report (DOCX)
  • Intro, Methods, Results, Discussion
  • Reference style: APA/Harvard/IEEE
  • Tracked changes on request
PRISMA 2020 Flow
  • Flow diagram (PNG/SVG)
  • Checklist completed
  • Appendices & logs
Search & Data Files
  • Search strings & run logs
  • Screening CSV/XLSX (reasons)
  • Extraction matrix + codebook
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Engagement & Pricing

What to Share for a Quote
  • Research question & objectives (PICO/PEO if any)
  • Databases to include (if fixed), years, languages
  • Target journal/thesis guidelines
  • Need meta-analysis? (Yes/No)
  • Deadline & word count range
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Service Levels
LevelFocusIncludesBest For
Scoping Review Map Literature Search, screening, charting, narrative mapping (no mandatory appraisal) Early stage
Systematic Review Answer Question Protocol, search, screening, extraction, appraisal, narrative synthesis Thesis/Article
Review + Meta-analysis Quantify Effects All above + meta-analysis (where feasible), heterogeneity, sensitivity Publication
Pricing depends on DB count, time span, volume, and meta-analysis requirements.

Frequently Asked Questions

SLRs answer a focused question with critical appraisal and, where feasible, meta-analysis. Scoping reviews map the breadth of literature without mandatory quality appraisal.

Commonly Scopus, Web of Science, PubMed/Medline, Embase, CINAHL, PsycINFO, IEEE Xplore, ACM DL, and subject-specific sources as needed.

Yes—flow diagram (PNG/SVG), populated checklist, and appendices are part of the deliverables.

We can set language limits per your brief and arrange translation support when feasible.

We use JBI/CASP/AMSTAR 2 (or domain tools) and report agreement statistics between reviewers.

Yes—where studies are compatible. We use RevMan/R/JASP and report heterogeneity and sensitivity analyses.

We deliver full search strings, database run logs, screening decisions with reasons, extraction matrices, appraisal forms, and PRISMA documents.

Yes—structure, word count, and style (APA/Harvard/IEEE/Vancouver) will be tailored to your guidelines.

Typically 2–6 weeks, depending on scope, database count, and number of included studies.

Absolutely. We can sign your NDA and provide a 0% plagiarism report with delivery.