RT Journal Article SR Electronic T1 Dose optimisation of first-line tuberculosis drugs using therapeutic drug monitoring in saliva: feasible for rifampicin, not for isoniazid JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2000803 DO 10.1183/13993003.00803-2020 VO 56 IS 4 A1 van den Elsen, Simone H.J. A1 Akkerman, Onno W. A1 Wessels, Mireille A1 Jongedijk, Erwin M. A1 Ghimire, Samiksha A1 van der Werf, Tjip S. A1 Bolhuis, Mathieu S. A1 Touw, Daan J. A1 Alffenaar, Jan-Willem C. YR 2020 UL http://erj.ersjournals.com/content/56/4/2000803.abstract AB