1. Does pharmacist-led medication review help to reduce hospital admissions and deaths in older people? A systematic review and meta-analysis;Holland;Br J Clin Pharmacol,2007
2. van Mil F . PCNE Guidelines for retrospective medication review in pharmacy V0. Pharmaceutical Care Network Europe (PCNE) website. July, 2011. http://www.pcne.org/sig/MedRev/documents/PCNE%20Guidelines%20MR%20V0.pdf (accessed 3 Jun 2013).
3. Medication review in hospitalised patients to reduce morbidity and mortality;Christensen;Cochrane Database Syst Rev,2013
4. Adverse drug reactions and polypharmacy in the elderly in general practice;Veehof;Eur J Clin Pharmacol,1999
5. Relationship between polypharmacy and underprescribing;Kuijpers;Br J Clin Pharmacol,2007