Keyphrases
Vitamin A
100%
Premature Infant
100%
Ductal Closure
100%
Protein Level
28%
Treatment Group
28%
Retinol Binding Protein
28%
Surgical Ligation
28%
Closure Rate
28%
Gestational Age
14%
Between-group
14%
Inclusion Criteria
14%
Placebo Groups
14%
Clinical Outcomes
14%
Result Comparison
14%
Echocardiography
14%
Day 14
14%
Indomethacin
14%
Double-blind Placebo-controlled Trial
14%
Preterm Neonates
14%
Index Weight
14%
Group 12
14%
Patent Ductus Arteriosus
14%
Intramuscularly
14%
Oxygenation Index
14%
Umbilical Line
14%
Medicine and Dentistry
Prematurity
100%
Retinol
100%
Placebo
50%
Ligation
50%
Retinol Binding Protein
50%
Vitamin A
50%
Echocardiography
25%
Indometacin
25%
Patent Ductus Arteriosus
25%
Umbilical Line
25%
Gestational Age
25%
Treatment Group
25%
Nursing and Health Professions
Prematurity
100%
Retinol
100%
Placebo
50%
Ligation
50%
Retinol Binding Protein
50%
Clinical Outcome
25%
Echocardiography
25%
Gestational Age
25%
Oxygenation
25%
Indometacin
25%
Patent Ductus Arteriosus
25%
Treatment Group
25%
Pharmacology, Toxicology and Pharmaceutical Science
Prematurity
100%
Retinol
100%
Placebo
50%
Retinol Binding Protein
50%
Indometacin
25%
Patent Ductus Arteriosus
25%
Treatment Group
25%
Veterinary Science and Veterinary Medicine
Ductus Arteriosus
100%
Echocardiography
100%
Indometacin
100%