Patterns and Mood Effects of Concomitant Polydrug Use of Ecstasy and Alcohol in Dutch and British Electronic Dance Event Visitors: An EMA Study. - Spronk DB; van Beek RJJ; Smits RLA; Andree R; den Hollander W; Freeman TP; Curran HV; Waldron J; Grabski M; Blankers M; van Laar MW (European addiction research, 2026)