Internet pharmacies: opportunities and challenges.
Navarro
R P
RP
D004346:Drug Information Services; D020407:Internet; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration*; D008389:Marketing of Health Services; D010344:Patient Advocacy; D010353:Patient Education as Topic / Q000379:methods; D010593:Pharmaceutical Services / Q000191:economics / Q000458:organization & administration*; D014481:United States