Proceedings of the National Academy of Sciences (2002) - Comments
doi: 10.1073/pnas.242625399  issn: 0027-8424  issn: 1091-6490  pubmed: 12451180 

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José R. Perez-Castineira, Rosa L. Lopez-Marques, José M. Villalba, Manuel Losada, Aurelio Serrano