Use of Prescription Drug Samples and Patient Assistance Programs, and the Role of Doctor-Patient Communication
Journal of General Internal Medicine
http://www.ncbi.nlm.nih.gov/pubmed/?term=Use%20of%20Prescription%20Drug%20Samples%20and%20Patient%20Assistance%20Programs%2C%20and%20the%20Role%20of%20Doctor-Patient%20Communication