Guggenheim, J. A., Williams, C., Northstone, K., Howe, L. D., Tilling, K., St Pourcain, B., et al. (2014).
Does Vitamin D Mediate the Protective Effects of Time Outdoors On Myopia? Findings From a Prospective Birth Cohort.
Investigative Ophthalmology & Visual Science, 55(12), 8550-8558. doi:10.1167/iovs.14-15839.