http://www.samhsa.gov/oas/sros/httoc.htmServices Research Outcomes Study (SROS) 856 7 $3 Also available through electronic access $u http://www.samhsa.gov $2 http 856 41 $3 Also available through electronic access $u http://www.health.org $2 http $z no longer valid as of 10/27/98 856 41 $u http://purl.access.gpo.gov/GPO/LPS1984