TY - GEN AU - McLAUGHLAN,J M AU - ROGERS,C G AU - MIDDLETON,E J AU - CAMPBELL,J A TI - A modified procedure for the estimation of vitamin B12 in natural materials of low potency PY - 2000///0701 KW - Corrinoids KW - Hematinics KW - Regression Analysis KW - Vitamin B 12 KW - analysis N1 - Publication Type: Journal Article ER -