D'Eufemia Patrizia, Parisi Pasquale, Celli Mauro, Finocchiaro Roberto, Roggini Mario, Raccio Ivana, Zambrano Anna, Villa Maria Pia
Department of Pediatrics, First Faculty of Medicine, Sapienza University, Rome, Italy.
Pediatr Int. 2012 Feb;54(1):152-5. doi: 10.1111/j.1442-200X.2011.03408.x.