Evaluation of immediate allergic reactions to dipyrone using dipyrone metabolites in basophil activation test. (18th July 2014) - Montanez, Maria Isabel; Garcia‐Martin, Elena; Ariza, Adriana; Torres, Maria Jose; Agundez, Jose AG; Mayorga, Cristobalina; Doña, Inmaculada; Blanca‐Lopez, Natalia; Zambonino, Maria A; Andreu, Inmaculada; Blanca, Miguel