Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePlasma Drug Concentrations in Children Receiving Pulmonary Arterial Hypertension Combination Treatment.AuthorsGrünig, Ekkehard; Haefeli, Walter E.SubjectsPHOSPHODIESTERASE inhibitors; COMBINATION drug therapy; DRUG interactions; HETEROCYCLIC compounds; PULMONARY hypertension; VASODILATORS; SILDENAFIL; TREATMENT effectiveness; CHILDREN; THERAPEUTICSPublicationRespiration, 2018, Vol 97, Issue 1, p92ISSN0025-7931Publication typeLetter to the EditorDOI10.1159/000492798