The rising tide of polypharmacy and drug-drug interactions: population database analysis 1995¿2010

1 Population Health Sciences Division, Medical Research Institute, University of Dundee, Mackenzie Building, Kirsty Semple Way, Dundee DD2 4BF, UK

2 Department of Public Health, Faculty of Medicine, University of Botswana, Private Bag UB 0022, Gaborone, Botswana

3 NHS Tayside Medicines Governance Unit, Mackenzie Building, Kirsty Semple Way, Dundee DD2 4BF, UK

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