Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Walid F. Gellad and Jerry L. Grenard and Zachary A. Marcum,A Systematic Review of Barriers to Medication Adherence in the Elderly: Looking Beyond Cost and Regimen Complexity,The American Journal of Geriatric Pharmacotherapy,1543-5946,Elsevier BV,2011-02,9,1,11-23,https://cir.nii.ac.jp/crid/1362262945025715328,https://doi.org/10.1016/j.amjopharm.2011.02.004