González-Sagrado M, López-Hernández S, Martín-Gil F J, Tasende J, Bañuelos M C, Fernández-García N, Arranz-Peña M L
Division of Biochemistry, Laboratory of Clinical Chemistry, University Hospital Del Río Hortega, Valladolid, Spain.
Clin Biochem. 2000 Feb;33(1):79-80. doi: 10.1016/s0009-9120(99)00089-2.