Hawton, K., Bergen, H., Simkin, S., Brock, A., Griffiths, C., Romeri, E., . . . Gunnell, D. (2009). Effect of withdrawal of co-proxamol on prescribing and deaths from drug poisoning in England and Wales: Time series analysis.
Chicago-referens (17:e uppl.)Hawton, K., H. Bergen, S. Simkin, A. Brock, C. Griffiths, E. Romeri, K. Smith, N. Kapur, och D. Gunnell. Effect of Withdrawal of Co-proxamol on Prescribing and Deaths from Drug Poisoning in England and Wales: Time Series Analysis. 2009.
MLA-referens (9:e uppl.)Hawton, K., et al. Effect of Withdrawal of Co-proxamol on Prescribing and Deaths from Drug Poisoning in England and Wales: Time Series Analysis. 2009.
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