Sramek JJ, Forrest M, Mengel H, Jhee SS, Hourani J, Cutler NR (1998). "A bridging study of LU 25-109 in patients with probable Alzheimer's disease". Life Sciences. 62 (3): 195–202. doi:10.1016/S0024-3205(97)01087-4. PMID9488097.
Sramek JJ, Forrest M, Mengel H, Jhee SS, Hourani J, Cutler NR (1998). "A bridging study of LU 25-109 in patients with probable Alzheimer's disease". Life Sciences. 62 (3): 195–202. doi:10.1016/S0024-3205(97)01087-4. PMID9488097.