TY - GEN AU - Fitzpatrick,J AU - Tompsett,S L TI - The Microbiological Assay of Riboflavin and Nicotinic Acid in Urine SN - 0021-9746 PY - 2006///0703 KW - Body Fluids KW - Niacin KW - Nicotinic Acids KW - Riboflavin KW - analysis KW - Urine N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/jcp.2.2.121 ER -