TY - JOUR T1 - Re: Tramadol can selectively manage moderate pain in children following European advice limiting codeine use. JF - Acta Paediatr Y1 - 2014 A1 - Calligaris, Lorenzo A1 - Marzuillo, Pierluigi A1 - Barbi, Egidio VL - 103 IS - 11 U1 - http://www.ncbi.nlm.nih.gov/pubmed/25069539?dopt=Abstract ER -