TY - RPRT TI - Standard Reference Materials A reference method for the determination of lithium in serum AU - Garner, Ernest L AU - Machlan, Lawrence A AU - Mandel, John AU - Paule, Robert C AU - Rains, Theodore C AU - Velapoldi, Rance A PY - 1980 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-69 DO - 10.6028/NBS.SP.260-69 ER -