Thomas, Deepa J., Habeeb U. Khan, Saritha Paul, Jaidev M. D., and Pavan Hegde. 2020. “A Study on Vitamin D Levels in Preterm and Term Neonates and Their Mothers”. International Journal of Contemporary Pediatrics 7 (2):387-92. https://doi.org/10.18203/2349-3291.ijcp20200115.