DO IT Trial: Vitamin D Outcomes and Interventions In Toddlers
Conditions
- Respiratory Tract Infections
- Asthma
- Avitaminosis
Interventions
- DRUG: Vitamin D - Cholecalciferol 400 IU
- DRUG: Vitamin D3 - Cholecalciferol 2000 IU
Sponsor
The Hospital for Sick Children
Collaborators
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