de Sevaux, Joline ;
Damoiseaux, Roger A M J ;
Hullegie, Saskia...
de Sevaux , J , Damoiseaux , R A M J , Hullegie , S , Sanders , E A M , de wit , G A , Zuithoff , N P A , Yardley , L , Anthierens , S , Little , P , Hay , A D , Schilder , A G M & Venekamp , R P 2023 , ' Effectiveness of analgesic ear drops as add-on treatment to oral analgesics in children with acute otitis media : study protocol of the OPTIMA pragmatic randomised controlled trial ' , BMJ Open , vol. 13 , no. 2 , e062071 . https://doi.org/10.1136/bmjopen-2022-062071.
,
2023