FOLH1 and posterior cortical atrophy: However, the absorbed dose in salivary glands of PCa patients could be decreased by a factor of ~ 4 via administering a phosphoramidate-based PET agent compared to the urea-based radiotracer [68Ga]Ga-PSMA-I&T (Behr et al. 2019; Herrmann et al. 2015).