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List of works by Karla Wagner

"I felt like a superhero": the experience of responding to drug overdose among individuals trained in overdose prevention

scientific article published on 09 August 2013

"Over here, it's just drugs, women and all the madness": The HIV risk environment of clients of female sex workers in Tijuana, Mexico

scientific article

"When you get old like this … you don't run those risks anymore": influence of age on sexual risk behaviors and condom use attitudes among methamphetamine-using heterosexual women with a history of partner violence

scientific article

A mixed methods study of the social support networks of female sex workers and their primary noncommercial male partners in Tijuana, Mexico

An ethnographic exploration of drug markets in Kisumu, Kenya

scientific article published on 8 January 2016

Association between non-fatal opioid overdose and encounters with healthcare and criminal justice systems: Identifying opportunities for intervention

scientific article published on 27 May 2015

Associations between family structure, family functioning, and substance use among Hispanic/Latino adolescents

scientific article

Border crossing to inject drugs in Mexico among injection drug users in San Diego, California

scientific article

Cold Preparation of Heroin in a Black Tar Market

scientific article

Context matters: the moderating role of bar context in the association between substance use during sex and condom use among male clients of female sex workers in Tijuana, Mexico

scientific article published on October 2013

Control over drug acquisition, preparation and injection: Implications for HIV and HCV risk among young female injection drug users

scientific article published on May 2013

Correlates of self-efficacy for condom use among male clients of female sex workers in Tijuana, Mexico

scientific article published on 11 July 2013

Cross-border drug injection relationships among injection drug users in Tijuana, Mexico

scientific article

Cross-border injection drug use and HIV and hepatitis C virus seropositivity among people who inject drugs in San Diego, California

scientific article

Differential experiences of Mexican policing by people who inject drugs residing in Tijuana and San Diego

scientific article published on 19 January 2017

Drug-using male clients of female sex workers who report being paid for sex: HIV/sexually transmitted infection, demographic, and drug use correlates

scientific article published on August 2013

Effects of parental monitoring, parent-child communication, and parents' expectation of the child's acculturation on the substance use behaviors of urban, Hispanic adolescents

scientific article published on January 2008

Evaluating the impact of Mexico's drug policy reforms on people who inject drugs in Tijuana, B.C., Mexico, and San Diego, CA, United States: a binational mixed methods research agenda

scientific article published on 12 February 2014

Evaluation of an overdose prevention and response training programme for injection drug users in the Skid Row area of Los Angeles, CA.

scientific article

Evidence of injection drug use in Kisumu, Kenya: Implications for HIV prevention

scientific article published on 14 March 2015

Factors associated with pathways toward concurrent sex work and injection drug use among female sex workers who inject drugs in northern Mexico

scientific article

HIV Transmission Networks in the San Diego-Tijuana Border Region

scientific article

Hazardous drinking and HIV-risk-related behavior among male clients of female sex workers in Tijuana, Mexico

scientific article published on 25 July 2014

Impact of Public Safety Policies on HIV Transmission Dynamics in Tijuana, Mexico

scientific article published on 13 October 2017

Injection drug users trained by overdose prevention programs: responses to witnessed overdoses

scientific article

Love moderates the relationship between partner type and condom use among women engaging in transactional vaginal sex

scientific article

Naloxone access for Emergency Medical Technicians: An evaluation of a training program in rural communities

scientific article published on 5 March 2018

Parent-child acculturation patterns and substance use among Hispanic adolescents: a longitudinal analysis

scientific article published on 21 April 2009

Perceived stigma of purchasing sex among Latino and non-Latino male clients of female sex workers in Tijuana, Mexico

scientific article published on February 2015

Personal Social Network Factors Associated with Overdose Prevention Training Participation

scientific article published on September 19, 2012

Place of Residence Moderates the Relationship Between Emotional Closeness and Syringe Sharing Among Injection Drug Using Clients of Sex Workers in the US-Mexico Border Region

scientific article published on June 2015

Prevalence and Correlates of the Use of Prefilled Syringes Among Persons Who Inject Drugs in San Diego, CA.

scientific article

Reconciling incongruous qualitative and quantitative findings in mixed methods research: exemplars from research with drug using populations

scientific article published on 15 June 2011

Rethinking risk: gender and injection drug-related HIV risk among female sex workers and their non-commercial partners along the Mexico-U.S. border

scientific article

Risk of violence in drug rehabilitation centers: perceptions of people who inject drugs in Tijuana, Mexico

scientific article published on 26 January 2016

THE FIRST INJECTION EVENT: DIFFERENCES AMONG HEROIN, METHAMPHETAMINE, COCAINE, AND KETAMINE INITIATES.

scientific article

The association between law enforcement encounters and syringe sharing among IDUs on skid row: a mixed methods analysis

scientific article published on October 2013

The effect of intimate partner violence on receptive syringe sharing among young female injection drug users: an analysis of mediation effects

scientific article published on 18 September 2007

The influence of the perceived consequences of refusing to share injection equipment among injection drug users: balancing competing risks

scientific article

The perceived consequences of safer injection: an exploration of qualitative findings and gender differences

scientific article

The potential for PTSD, substance use, and HIV risk behavior among adolescents exposed to Hurricane Katrina

scientific article

The role of acculturation, parenting, and family in Hispanic/Latino adolescent substance use: findings from a qualitative analysis

scientific article published on January 2008

The social and environmental context of cross-border drug use in Mexico: findings from a mixed methods study of young injection drug users living in San Diego, CA

scientific article

Training law enforcement to respond to opioid overdose with naloxone: Impact on knowledge, attitudes, and interactions with community members

scientific article

Use of synthetic cathinones and cannabimimetics among injection drug users in San Diego, California

scientific article

Variation in family structure among urban adolescents and its effects on drug use.

scientific article published on January 2008