Proceedings of the National Academy of Sciences (2001) - Comments
pubmed: 11572935  doi: 10.1073/pnas.211026798  issn: 0027-8424  issn: 1091-6490 

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Paola Cacciotti, Roberta Libener, Piergiacomo Betta, Fernanda Martini, Camillo Porta, Antonio Procopio, Luigi Strizzi, Lorenza Penengo, Mauro Tognon, Luciano Mutti, Giovanni Gaudino