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Engelmann M, Ludwig M, Landgraf R.Engelmann M, et al. Among authors: ludwig m.Behav Neural Biol. 1992 Jul;58(1):51-7. doi: 10.1016/0163-1047(92)90907-l.Behav Neural Biol. 1992.PMID: 1417671
Landgraf R, Ludwig M.Landgraf R, et al. Among authors: ludwig m.Brain Res. 1991 Sep 6;558(2):191-6. doi: 10.1016/0006-8993(91)90768-q.Brain Res. 1991.PMID: 1782541
Ludwig M, Horn T, Callahan MF, Grosche A, Morris M, Landgraf R.Ludwig M, et al.Am J Physiol. 1994 Mar;266(3 Pt 1):E351-6. doi: 10.1152/ajpendo.1994.266.3.E351.Am J Physiol. 1994.PMID: 8166254
Wotjak CT, Ludwig M, Ebner K, Russell JA, Singewald N, Landgraf R, Engelmann M.Wotjak CT, et al. Among authors: ludwig m.Eur J Neurosci. 2002 Aug;16(3):477-85. doi: 10.1046/j.1460-9568.2002.02101.x.Eur J Neurosci. 2002.PMID: 12193191
Wotjak CT, Ludwig M, Landgraf R.Wotjak CT, et al. Among authors: ludwig m.Neuroreport. 1994 Jun 2;5(10):1181-4. doi: 10.1097/00001756-199406020-00005.Neuroreport. 1994.PMID: 7919160
Ludwig M, Callahan MF, Neumann I, Landgraf R, Morris M.Ludwig M, et al.J Neuroendocrinol. 1994 Aug;6(4):369-73. doi: 10.1111/j.1365-2826.1994.tb00595.x.J Neuroendocrinol. 1994.PMID: 7987366
Munro G, Ludwig M, Landgraf R, Russell JA.Munro G, et al. Among authors: ludwig m.Neuropeptides. 1994 Aug;27(2):121-7. doi: 10.1016/0143-4179(94)90052-3.Neuropeptides. 1994.PMID: 7991066
Neumann I, Ludwig M, Engelmann M, Pittman QJ, Landgraf R.Neumann I, et al. Among authors: ludwig m.Neuroendocrinology. 1993 Dec;58(6):637-45. doi: 10.1159/000126604.Neuroendocrinology. 1993.PMID: 8127393
Ludwig M, Callahan MF, Landgraf R, Johnson AK, Morris M.Ludwig M, et al.Am J Physiol. 1996 May;270(5 Pt 1):E787-92. doi: 10.1152/ajpendo.1996.270.5.E787.Am J Physiol. 1996.PMID: 8967466