TY - GEN AU - FERGUSON,T M AU - COUCH,J R TI - Further gross observations on the B12-deficient chick embryo SN - 0022-3166 PY - 2003///0501 KW - Animals KW - Chick Embryo KW - Embryo, Mammalian KW - Embryo, Nonmammalian KW - Vitamin B 12 Deficiency N1 - Publication Type: Journal Article UR - https://doi.org/10.1093/jn/54.3.361 ER -