James, W. H. (1981). Recurrence rates for neural tube defects and vitamin supplementation.
Chicago-stil citatJames, William H. Recurrence Rates for Neural Tube Defects and Vitamin Supplementation. 1981.
MLA-referensJames, William H. Recurrence Rates for Neural Tube Defects and Vitamin Supplementation. 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.