TY - GEN AU - Axelrod,A E AU - Spies,T D AU - Elvehjem,C A AU - Axelrod,V TI - A STUDY OF URINARY RIBOFLAVIN EXCRETION IN MAN SN - 0021-9738 PY - 2006///0531 N1 - Publication Type: Journal Article UR - https://doi.org/10.1172/JCI101215 ER -