Keyphrases
Meta-analysis
100%
Systematic Meta-analysis
100%
Orofacial Clefts
100%
Oral Clefts
100%
Folate Intake
100%
Folate Status
100%
Folate
60%
Supplement Use
40%
Knowledge Synthesis
40%
Folic Acid
40%
Folic Acid Fortification
40%
Pregnant Women
20%
Quality Assessment
20%
Etiology
20%
Population Characteristics
20%
MEDLINE
20%
Embase
20%
Cleft Lip with or without Cleft Palate
20%
Cleft Palate
20%
During Pregnancy
20%
Cochrane
20%
Inverse Association
20%
PubMed
20%
Web of Science
20%
Between-study Variance
20%
Genetic Markers
20%
Maternal Intake
20%
Dietary Folate
20%
MTHFR C677T
20%
Population Variation
20%
Before Pregnancy
20%
Random-effects Meta-analysis
20%
Incomplete Reporting
20%
Exposure Time
20%
Nutritional Intake
20%
Food Availability
20%
High Heterogeneity
20%
Vitamins
20%
Risk of Bias Tool
20%
Previous Knowledge
20%
Newcastle-Ottawa Scale
20%
MTHFR A1298C
20%
Folate Supplementation
20%
Coronavirus-19 Pandemic
20%
Food Science
Folic Acid
100%
Folic Acid Fortification
100%
Dietary Intake
50%
Pharmacology, Toxicology and Pharmaceutical Science
Folic Acid
100%
Biological Marker
7%
Prevalence
7%
Cleft Palate
7%
Cleft Lip with or without Cleft Palate
7%
Coronavirinae
7%
Pandemic
7%