Corresponding author: 
Dr. İlknur Bodur
Department of Pediatric Emergency Medicine, Dr. Sami Ulus Maternity and Child Health and Diseases Training and Research Hospital, Ankara, Turkey
Email:ilknur.bodur1977@hotmail.com
Phone number: 0505 240 56 61
Number of words (Manuscript): 1826
Number of words (Abstract): 190
Number of Tables: 2
Number of Figures: 3
Number of References: 24
Key words: Bronchiolitis; Infant; Magnesium sulfate