[Surveillance--more than a marketing instrument?].
Strehl
Egid
E
Universitätsklinikums Freiburg, Hugstetter Str 55, 79106 Freiburg. egid.strehl@klinikum.uni-freiburg.de
D004345:Drug Industry / Q000639:trends*; D004358:Drug Therapy / Q000639:trends*; D005858:Germany; D006801:Humans; D008389:Marketing of Health Services / Q000639:trends*; D010594:Pharmacies