Keyphrases
Meta-analysis
100%
Systematic Meta-analysis
100%
Success Rate
100%
External Cephalic Version
100%
Nitrous Oxide
100%
Pain Score
35%
MEDLINE
14%
Cesarean Delivery
14%
Vertex Presentation
14%
Non-associated
7%
Prospective Cohort Study
7%
PubMed
7%
Ovid
7%
Embase
7%
Treatment Group
7%
Inconsistent Results
7%
Randomized Trial
7%
Analgesia
7%
Cochrane Library
7%
Prospero
7%
Google Scholar
7%
Multiple Regression Model
7%
Cesarean Section Rate
7%
Singleton Pregnancy
7%
Peer Review
7%
Analgesic Agents
7%
Number of Participants
7%
Nursing and Health Professions
Systematic Review
100%
Meta Analysis
100%
External Cephalic Version
100%
Nitrous Oxide
100%
Cesarean Section
21%
Medline
14%
Prospective Cohort Study
7%
Effect Size
7%
Analgesia
7%
Analgesic Agent
7%
Cochrane Library
7%
Peer Review
7%
Survey Method
7%
Treatment Group
7%
Medicine and Dentistry
Meta-Analysis
100%
Systematic Review
100%
External Cephalic Version
100%
Nitrous Oxide
100%
Cesarean Section
21%
Effect Size
7%
Analgesia
7%
Population Research
7%
Anodyne
7%
Prospective Cohort Study
7%
Meta-Regression
7%
Treatment Group
7%
Psychology
Systematic Review
100%
Meta-Analysis
100%
Regression Model
50%
Medline
50%
Biochemistry, Genetics and Molecular Biology
Nitrous Oxide
100%
Medline
20%
Prospective Cohort Study
10%
Population Research
10%
Cochrane Library
10%
Pharmacology, Toxicology and Pharmaceutical Science
Nitrous Oxide
100%
Prospective Cohort Study
10%
Analgesic Agent
10%
Population Study
10%
Treatment Group
10%