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2. Evolution of the concept of drug-related problems?: outcomes as the focus of the new paradigm Evolución del concepto de problemas relacionados con medicamentos?: resultados como el centro del nuevo paradigma;Fernandez-llimos;Seguimieto Farmacoterapeutico.,2005
3. Pharmaceutical Care Network Europe (PCNE) Classification for drug related problems, Netherland 2006 http://www.pcne.org/sig/drp/documents/PCNE%20classification%20V5.01.pdf
4. Drug-related problems: their structure and function;Strand;DICP,1990
5. a. Frequency of and risk factors for preventable medication-related hospital admissions in the Netherlands;Leendertse;Arch Intern Med,2008