Name Info Provider Link
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1130-6343(09)72465-1
Medication Errors free resource MedlinePlus Health Information https://medlineplus.gov/medicationerrors.html
Full text from free resource Diposit Digital de la Universitat de Barcelona http://hdl.handle.net/2445/157077