Lange Fassung auf Deutsch auch vorhanden: 50-11348; aussi disponible en français: 50-11346; anche disponibile in italiano: 50-11347; also available in English: 50-11456
government and politics; addiction; AOD use, abuse, and dependence; chemical addiction; treatment and maintenance; counseling; street work; prevention; HIV infection; viral hepatitis; contact center; cooperation; addictive behavior; Switzerland; St. Gallen (canton)