%0 Journal Article %A Chi-Hsien Chen %A Raymond F. Muzic, Jr. %A A. Dennis Nelson %A Lee P. Adler %T Simultaneous Recovery of Size and Radioactivity Concentration of Small Spheroids with PET Data %D 1999 %J Journal of Nuclear Medicine %P 118-130 %V 40 %N 1 %U https://jnm.snmjournals.org/content/jnumed/40/1/118.full.pdf