Retraction of

• Thymopoietin, a polypeptide ligand for the alpha-bungarotoxin binding site in brain: an autoradiographic study.

  Afar R, Clarke PB, Goldstein G, Quik M. Afar R, et al. Neuroscience. 1992;48(3):641-53. doi: 10.1016/0306-4522(92)90408-t. Neuroscience. 1992. Retraction in: Neuroscience. 1994 Apr;59(3):789. doi: 10.1016/0306-4522(94)90195-3. PMID: 1603334 Retracted.
• Thymopoietin interacts at the alpha-bungarotoxin site of and induces process formation in PC12 pheochromocytoma cells.

  Quik M, Cohen R, Audhya T, Goldstein G. Quik M, et al. Neuroscience. 1990;39(1):139-50. doi: 10.1016/0306-4522(90)90228-v. Neuroscience. 1990. Retraction in: Neuroscience. 1994 Apr;59(3):789. doi: 10.1016/0306-4522(94)90195-3. PMID: 2089274 Retracted.