West, Kapatos, OFarrell et al.: "N-myc regulates parkin expression." in: The Journal of biological chemistry, Vol. 279, Issue 28, pp. 28896-902, 2004 (PubMed).
Yao, Gu, Nakamura et al.: "Nitrosative stress linked to sporadic Parkinson's disease: S-nitrosylation of parkin regulates its E3 ubiquitin ligase activity." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 101, Issue 29, pp. 10810-4, 2004 (PubMed).
Pigullo, De Luca, Barone et al.: "Mutational analysis of parkin gene by denaturing high-performance liquid chromatography (DHPLC) in essential tremor." in: Parkinsonism & related disorders, Vol. 10, Issue 6, pp. 357-62, 2004 (PubMed).
Kumru, Santamaria, Tolosa et al.: "Rapid eye movement sleep behavior disorder in parkinsonism with parkin mutations." in: Annals of neurology, Vol. 56, Issue 4, pp. 599-603, 2004 (PubMed).