TY - GEN AU - Chen,C H AU - Muzic,R F AU - Nelson,A D AU - Adler,L P TI - Simultaneous recovery of size and radioactivity concentration of small spheroids with PET data SN - 0161-5505 PY - 1999///0225 KW - Models, Theoretical KW - Phantoms, Imaging KW - Spheroids, Cellular KW - diagnostic imaging KW - Tomography, Emission-Computed N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -