"Aufsatzsammlung." . . "Rural Health Services United States Congresses." . . "Ländlicher Raum." . . . . "Substance-Related Disorders prevention & control United States Congresses." . . "Drogenmissbrauch." . . "Alkoholmissbrauch." . . . "Rural substance abuse state of knowledge and issues"@en . "Conference papers and proceedings"@en . . . . . . . . . . . . . . . . . . . . . . "Rural substance abuse : state of knowledge and issues" . . . "Rural substance abuse : state of knowledge and issues"@en . . . . . "Conference papers and proceedings" . "USA." . . "Substance-Related Disorders United States Congresses." . .