D. Christou

Learn More
This study examines the process and effects of using facebook (FB) to locate and re-contact study participants targeted for follow up in a longitudinal study of adult methamphetamine users (N = 649). A follow-up interview was conducted in 2009-11 approximately 8 years after previous study participation. Our paper describes re-contact efforts involving FB,(More)
This study examines health and legal problems associated with use of commonly reported substances and combinations of substances in a sample of adults with long histories of methamphetamine (meth) use. Data are from a 2009-11 eight-year follow-up interview in an intensive natural history study (N = 373). Respondents who had not used illicit substances in(More)
To better understand methamphetamine (MA) use patterns and the process of recovery, qualitative interviews were conducted with adult MA users (n = 20), comparing a sample that received substance abuse treatment with those who had not received treatment. Respondents provided detailed information on why and how they changed from use to abstinence and factors(More)
(2014). Matrix representation of the shifting operation and numerical properties of the ERES method for computing the greatest common divisor of sets of many polynomials. shifting operation and numerical properties of the ERES method for computing the greatest common divisor of sets of many polynomials. Online is checked for eligibility for copyright before(More)
  • 1