Comment on

• Loss of long-duration response to levodopa over time in PD: implications for wearing-off.

  Zappia M, Oliveri RL, Montesanti R, Rizzo M, Bosco D, Plastino M, Crescibene L, Bastone L, Aguglia U, Gambardella A, Quattrone A. Zappia M, et al. Neurology. 1999 Mar 10;52(4):763-7. doi: 10.1212/wnl.52.4.763. Neurology. 1999. PMID: 10078724
• Dopamine D2 receptor gene polymorphism and the risk of levodopa-induced dyskinesias in PD.

  Oliveri RL, Annesi G, Zappia M, Civitelli D, Montesanti R, Branca D, Nicoletti G, Spadafora P, Pasqua AA, Cittadella R, Andreoli V, Gambardella A, Aguglia U, Quattrone A. Oliveri RL, et al. Neurology. 1999 Oct 22;53(7):1425-30. doi: 10.1212/wnl.53.7.1425. Neurology. 1999. PMID: 10534246
• Association study of dopamine D2, D3 receptor gene polymorphisms with motor fluctuations in PD.

  Wang J, Liu ZL, Chen B. Wang J, et al. Neurology. 2001 Jun 26;56(12):1757-9. doi: 10.1212/wnl.56.12.1757. Neurology. 2001. PMID: 11425949