TY  - RPRT
TI  - Standard Reference Materials A reference method for the determination of potassium in serum
AU  - Machlan, Lawrence A
AU  - Mandel, John
AU  - Paule, Robert C
AU  - Gramlich, John W
AU  - Velapoldi, Rance A
PY  - 1979
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-63
DO  - 10.6028/NBS.SP.260-63
ER  -