AUTHOR=Mach Anna , Wnorowska Anna , Siwek Marcin , Wojnar Marcin , Radziwoń-Zaleska Maria TITLE=The effects of clinical and pharmacological factors on the ratio of clozapine to norclozapine in psychiatric patients JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1518739 DOI=10.3389/fphar.2024.1518739 ISSN=1663-9812