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APA Citation
Omand, J., To, T., O'Connor, D., Parkin, P., Birken, C., Thorpe, K., & Maguire, J. (2018). 25-hydroxyvitamin D and health service utilization for asthma in early childhood. International journal of population data science, 3, . http://access.bl.uk/ark:/81055/vdc_100095868736.0x000001