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Medicine and Dentistry
Supplementation
85%
Colecalciferol
85%
Upper Respiratory Tract Infection
70%
Placebo
61%
Vitamin D
57%
Randomized Controlled Trial
48%
Chronic Obstructive Pulmonary Disease
42%
Asthma
42%
25 Hydroxyvitamin D
19%
Subgroup Analysis
15%
Asthma Exacerbation
12%
Vitamin D Deficiency
9%
Hypovitaminosis D
9%
Induced Sputum
6%
Nitric Oxide
6%
Patient with Asthma
6%
Single Nucleotide Polymorphism
6%
Prevalence
6%
Asthma Control Test
6%
St. George Respiratory Questionnaire
6%
Biochemistry, Genetics and Molecular Biology
Vitamin D
100%
Cholecalciferol
85%
Hypovitaminosis D
52%
Randomized Controlled Trial
48%
Prevalence
48%
Forced Vital Capacity
23%
Forced Expiratory Volume
23%
Muscle Strength
14%
Genotyping
12%
Single-Nucleotide Polymorphism
10%
Genetic Determinism
9%
Genetic Divergence
9%
Genetic Variation
9%
Nitric Oxide
6%
Pharmacology, Toxicology and Pharmaceutical Science
Chronic Obstructive Lung Disease
85%
Vitamin D
57%
Vitamin D Deficiency
52%
Hypovitaminosis D
52%
Randomized Controlled Trial
42%
Cholecalciferol
42%
Prevalence
42%
Upper Respiratory Tract Infection
33%
25 Hydroxyvitamin D
23%
Placebo
19%