TY - JOUR T1 - A REPLY JF - Journal of Nuclear Medicine Technology JO - J. Nucl. Med. Technol. SP - 167 LP - 168 VL - 5 IS - 3 AU - Gerald M. Timpe Y1 - 1977/09/01 UR - http://tech.snmjournals.org/content/5/3/167.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -