"Free" prescription drug samples are not free.
Vincent
William R
WR
Wiesner
Ann M
AM
Steinke
Douglas T
DT
D004345:Drug Industry / Q000191:economics*; D011307:Drug Prescriptions / Q000191:economics*; D064420:Drug-Related Side Effects and Adverse Reactions; D016568:Drugs, Generic / Q000191:economics; D006801:Humans; D019458:Insurance Coverage; D007348:Insurance, Health; D008389:Marketing of Health Services; D010349:Patient Compliance; D011203:Poverty / Q000191:economics*; D014481:United States
D016568:Drugs, Generic