TY - JOUR T1 - Placement JF - Journal of Nuclear Medicine Technology JO - J. Nucl. Med. Technol. SP - 21A LP - 21A VL - 12 IS - 3 A2 - , Y1 - 1984/09/01 UR - http://tech.snmjournals.org/content/12/3/21A.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -