Rockwood NJ, Jeon M. Estimating complex measurement and growth models using the R package PLmixed. Multivar Behav Res. 2019 Mar;54(2):288-306. doi: 10.1080/00273171.2018.1516541
Raleigh VS, Irons R, Hawe E, Scobie S, Cook A, Reeves R, Petruckevitch A, Harrison J. Ethnic variations in the experiences of mental health service users in England: results of a national patient survey programme. Br J Psychiatry. 2007;191:304-12.
Munro J, O'Sullivan D, Andrews C, Arana A, Mortimer A, Kerwin R. Active monitoring of 12,760 clozapine recipients in the UK and Ireland. Beyond pharmacovigilance. Br J Psychiatry. 1999 Dec;175:575-80. doi: 10.1192/bjp.175.6.576