%0 Journal Article %T Frozen Human Serum Reference Material for Standardization of Sodium and Potassium Measurements in Serum or Plasma by Ion-Selective Electrode Analyzers %A Gunaratna, P, C %A Koch, W, F %A Paule, R, C %A Cormier, A, D %A D&apos, %A Orazio,, P %A Greenberg,, N %A O&apos, %A Connell, K, M %A Malenfant,, A %A Okorodudu, A, O %A Miller,, R %J Clinical Chemistry %V 38 %N 8 %P 1459-1465 %@ 0009-9147 %D 1992-08-01 %I Oxford Academic %~ DeepDyve