Prescription Sequence Symmetry Analysis (PSSA) to assess prescribing cascades: a step-by-step guide. - Hendrix, Mandy R. S.; Yasar, Mustafa; Mohammad, Atiya K.; Hugtenburg, Jacqueline G.; Vanhommerig, Joost W.; Gündoğan-Yilmaz, Ruveyda; van den Bemt, Patricia M. L. A.; Denig, Petra; Karapinar-Carkıt, Fatma (BMC Medical Research Methodology, 2024)