Template:Ref-Hilton1912
From Embryology
Hilton WA. A case of accidental impregnation of cells in the brain of a human embryo of four months. (1912) Anat. Rec. 6(9): 363-365.
Hilton WA. A case of accidental impregnation of cells in the brain of a human embryo of four months. (1912) Anat. Rec. 6(9): 363-365.