Journal of the American Pharmacists Association · 2014 · 40 citations · 30 references
PharmacyCommunity PharmacyPharmacy PracticeImplementation SciencePharmaceutical CompliancePublic Health PharmacyAdherence CounselingCommunity Pharmacy AdministrationMedication AdherenceMedication Therapy ManagementPatient AdherenceTreatment AdherenceAdherence InterventionsAdherence To MedicationBarriers To Medication AdherenceFacilitators Of Medication AdherenceMedication Adherence PromotionMedication ImplementationPharmacy Practice Management
30
How Many Interviews Are Enough?
Greg Guest, Arwen Bunce, Laura Johnson · Field Methods · 2005 · 19.4K citations
Thomas W. Valente · PubMed · 2003 · 13.9K citations