%0 Journal Article %T Methods for determining reference changes from serial measurements: plasma lipid-bound sialic acid. %A Shahangian,, S %A Fritsche, H, A %A Hughes, J, I %A Johnston, D, A %J Clinical Chemistry %V 35 %N 6 %P 972-974 %@ 0009-9147 %D 1989-06-01 %I Oxford Academic %~ DeepDyve