title: Characteristics and health service utilization in two samples of young injection drug users recruited using direct and referral methods in San Francisco, California.
authors.affiliation: University of California San Francisco, 50 Beale St., San Francisco, CA, 94105, USA.
authors.forename: Alya
authors.initials: A
authors.lastname: Briceño
authors.affiliation: University of California San Francisco, 50 Beale St., San Francisco, CA, 94105, USA.
authors.forename: Meghan D
authors.initials: MD
authors.lastname: Morris
authors.affiliation: University of California San Francisco, 50 Beale St., San Francisco, CA, 94105, USA.
authors.forename: Jennifer
authors.initials: J
authors.lastname: Evans
authors.affiliation: San Francisco Department of Public Health, 25 Van Ness Ave., San Francisco, CA, 94102, USA.
authors.forename: H Fisher
authors.initials: HF
authors.lastname: Raymond
authors.affiliation: University of California San Francisco, 50 Beale St., San Francisco, CA, 94105, USA.
authors.forename: Kimberly
authors.initials: K
authors.lastname: Page