Effect of a prior-authorization requirement on the use of nonsteroidal antiinflammatory drugs.
Frey
H S
HS
D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000191:economics*; D011307:Drug Prescriptions / Q000191:economics*; D017723:Drug Utilization Review; D014481:United States
D000894:Anti-Inflammatory Agents, Non-Steroidal