LinnGjersing Norwegian Institute of Public Health Oslo, Norway In programme November 23 10:50 to 12:20 View hours & dates Hours & Dates Wednesday, 23 November 10:50 Oral presentation 3. Changes in primary cause of overdose deaths following liberalisations in opioid prescription practices and differences in overdose death correlates. 10:50 to 12:20 Knowledge market 1 (K1) Linn Gjersing