Attilio Varricchio

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BACKGROUND Recurrent respiratory infections (RRI), such as the presence of at least one of the following criteria: i) >6 RI per year; ii) >1 RI per month involving upper airways from September to April; iii) >3 RI involving lower airways, constitute a social problem for both their pharmaco-economic impact and the burden for the family. However, several(More)
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