Synthesis of a Novel γ-Folic Acid-Nτ-Histidine Conjugate Suitable for Labeling with 99mTc and 188Re - Sparr, Christof; Michel, Urs; Marti, Roger E.; Müller, Cristina; Schibli, Roger; Moser, Rudolf; Groehn, Viola (Synthesis, 2009)