[Basic factors that shape the demand for drugs and their systematic classification].
D000553:Ambulatory Care; D002965:Classification; D011307:Drug Prescriptions; D004363:Drug Utilization / Q000639:trends; D006760:Hospitalization; D004366:Nonprescription Drugs; D014586:USSR
D004366:Nonprescription Drugs
Osnovnye faktory, formiruiushchie potreblenie lekarstv, i ikh sistemnaia klassifikatsiia.