Automatic Extraction of Research Themes in Epidemiological Criminology From PubMed Abstracts From 1946 to 2020: Text Mining Study. - Karystianis, George; Simpson, Paul; Lukmanjaya, Wilson; Ginnivan, Natasha; Nenadic, Goran; Buchan, Iain; Butler, Tony (JMIR Formative Research, 2023)