TY - JOUR T1 - Molecular Targeting with Peptides or Peptide-Polymer Conjugates: Just a Question of Size? JF - Journal of Nuclear Medicine JO - J Nucl Med SP - 1940 LP - 1945 VL - 46 IS - 12 AU - Hans-Jürgen Wester AU - Horst Kessler Y1 - 2005/12/01 UR - http://jnm.snmjournals.org/content/46/12/1940.abstract N2 - ER -