RT Journal Article SR Electronic T1 Personalised medicine: using infliximab drug trough and anti-drug antibody levels improves clinical treatment decisions and is cost effective in spondyloarthritis and psoriatic arthritis JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP s108 OP s109 DO 10.7861/clinmedicine.19-2-s108 VO 19 IS Suppl 2 A1 Sayam Dubash A1 Domini Bryer A1 Andrew Barr A1 John Fitton A1 Claire Wenham A1 Helena Marzo-Ortega A1 Jane Freeston YR 2019 UL http://www.rcpjournals.org/content/19/Suppl_2/s108.abstract