RT Journal Article SR Electronic T1 AN ACCURATE AND INEXPENSIVE GAMMA CAMERA-BASED SYSTEM FOR WIPE TESTING JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 100 OP 100 VO 26 IS 2 A1 Horn, Dave YR 1998 UL http://tech.snmjournals.org/content/26/2/100.1.abstract AB