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Nonadherence by Serum Drug Analyses in Resistant Hypertension: 7-Year Follow-Up of Patients Considered Adherent by Directly Observed Therapy.
Halvorsen LV, Bergland OU, Søraas CL, Larstorp ACK, Hjørnholm U, Kjær VN, Kringen MK, Clasen PE, Haldsrud R, Kjeldsen SE, Rostrup M, Fadl Elmula FEM, Opdal MS, Høieggen A. Halvorsen LV, et al. Among authors: haldsrud r. J Am Heart Assoc. 2022 Sep 20;11(18):e025879. doi: 10.1161/JAHA.121.025879. Epub 2022 Sep 8. J Am Heart Assoc. 2022. PMID: 36073648 Free PMC article.
Development of UHPLC-MS/MS methods to quantify 25 antihypertensive drugs in serum in a cohort of patients treated for hypertension.
Thorstensen CW, Clasen PE, Rognstad S, Haldsrud R, Føreid S, Helstrøm T, Bergland OU, Halvorsen LV, Aune A, Olsen E, Brobak KM, Høieggen A, Gustavsen I, Larstorp ACK, Søraas CL, Opdal MS. Thorstensen CW, et al. Among authors: haldsrud r. J Pharm Biomed Anal. 2022 Sep 20;219:114908. doi: 10.1016/j.jpba.2022.114908. Epub 2022 Jun 23. J Pharm Biomed Anal. 2022. PMID: 35803015 Free article.