Polydrug use in Australian 12-14 year olds from 2006 to 2017: an examination of drug use profiles, emotional control problems, and family relationship characteristics. - Kelly AB; Munnings A; Zhao X; Rowland B; Laurens KR; Campbell M; Williams J; Bailey JA; Killingly C; Abimanyi-Ochom J; Kremer P; Toumbourou JW (Australian journal of psychology, 2023)