Ozolek John, Nodit Laurentia, Bastacky Sheldon, Craig Fiona, Nalesnik Michael
Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pa 15213, USA.
Arch Pathol Lab Med. 2003 Oct;127(10):1380-2. doi: 10.5858/2003-127-1380-PQCAYM.