- Correspondence to: Dr P Cerruti Mainardi Divisione di Pediatria – Servizio di Genetica, Ospedale S. Andrea, Corso Abbiate 21, 13100 Vercelli, Italy;
- Received 11 April 2003
- Accepted 3 June 2003
- Published in print 1 February 2004.
- Published online 2 February 2004.
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