From the Department of Radiology,* Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania,
and the Section of Nuclear Medicine,† Fleury Laboratory, São Paulo, SP, Brazil
Received for publication September 19, 2002.
Accepted December 2, 2002.
Correspondence: Hongming Zhuang, Division of Nuclear Medicine, Department of Radiology, Hospital of the University of Pennsylvania, 110 Donner Building, 3400 Spruce Street, Philadelphia, Pennsylvania 19104. E-mail: firstname.lastname@example.org