Walker VP, Zhang X, Rastegar I, et al. Cord blood vitamin D status impacts innate immune responses. J Clin Endocrinol Metab 2011;96:1835-43.
Liu PT, Stenger S, Li H, et al. Toll-like receptor triggering of a vitamin D-mediated human antimicrobial response. Science 2006;311:1770-3.
Hewison M. Vitamin D and the immune system: new perspectives on an old theme. Endocrinol Metab Clin North Am 2010;39:365-79, table of contents.
Holick MF. Vitamin D deficiency. N Engl J Med 2007;357:266-81.
Merewood A, Mehta SD, Chen TC, Bauchner H, Holick MF. Association between vitamin D deficiency and primary cesarean section. J Clin Endocrinol Metab 2009;94:940-5.
Dawodu A, Davidson B, Woo JG, et al. Sun exposure and vitamin d supplementation in relation to vitamin d status of breastfeeding mothers and infants in the global exploration of human milk study. Nutrients 2015;7:1081-93.
Charatcharoenwitthaya N, Nanthakomon T, Somprasit C, et al. Maternal vitamin D status, its associated factors and the course of pregnancy in Thai women. Clin Endocrinol (Oxf) 2013;78:126-33.
Ross AC, Manson JE, Abrams SA, et al. The 2011 report on dietary reference intakes for calcium and vitamin D from the Institute of Medicine: what clinicians need to know. J Clin Endocrinol Metab 2011;96:53-8.
Wagner CL, Greer FR. Prevention of rickets and vitamin D deficiency in infants, children, and adolescents. Pediatrics 2008;122:1142-52.
Blencowe H, Cousens S, Modell B, Lawn J. Folic acid to reduce neonatal mortality from neural tube disorders. Int J Epidemiol 2010;39 Suppl 1:i110-21.
Goh YI, Bollano E, Einarson TR, Koren G. Prenatal multivitamin supplementation and rates of congenital anomalies: a meta-analysis. J Obstet Gynaecol Can 2006;28:680-9.
Bergen NE, Jaddoe VW, Timmermans S, et al. Homocysteine and folate concentrations in early pregnancy and the risk of adverse pregnancy outcomes: the Generation R Study. BJOG 2012;119:739-51.
Osband YB, Altman RL, Patrick PA, Edwards KS. Breastfeeding education and support services offered to pediatric residents in the US. Acad Pediatr 2011;11:75-9.
Thompson R, Kruske S, Barclay L, Linden K, Gao Y, Kildea S. Potential predictors of nipple trauma from an in-home breastfeeding programme: A cross-sectional study. Women Birth 2016.