Indrawati, Lili; Purwantyastuti; Abikusno, Nugroho (2011). "Systematic review of the effect of vitamin D supplementation on immune response". Journal of The Indonesian Medical Association. Majalah Kedokteran Indonesia, Vol.61, No.8, Agt. 2011: hal. 310-315
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Warning: These citations may not always be 100% accurate.