Beta-2-Microglobulin/Creatinine:MRto:24H:Urine:Qn
beta-2-microglobulin/creatinine:mrto:24h:urine:qn
Beta-2-Microglobulin/Creatinine (24H U) [Mass ratio]
beta-2-microglobulin/creatinine (24h u) [mass ratio]