A reference method for the determination of potassium in serum
By: [by] Rance A. Velapoldi... [et al...].
Contributors: Velapoldi, Rance A.; National Bureau of Standards.
Series: NBS Special publications -- 260-263; Standard Reference materials
Publisher: U.S. Government Printing Office
Published: 1979
Place of publication: Washington, D.C
Language: eng