TY - JOUR KW - Adult KW - Cross-Sectional Studies KW - Heroin KW - Humans KW - Malaysia KW - Male KW - Methamphetamine/adverse effects KW - Mitragyna KW - Plant Extracts AU - D. Singh AU - S. Narayanan AU - B. Vicknasingam AU - W. C. Prozialeck AU - K. E. Smith AU - O. Corazza AU - J. E. Henningfield AU - O. Grundmann A1 - AD - Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia (DS, BV); School of Social Sciences, Universiti Sains Malaysia, Penang, Malaysia (SN); Department of Pharmacology, College of Graduate Studies, Midwestern University, Downers Grove, IL(WCP); National Institute on Drug Abuse Intramural Research Program, Baltimore, MD (KES); Department of Clinical, Pharmaceutical and Biological Sciences, School of Life and Medical Sciences, College Lane, Hatfield, United Kingdom (OC); Pinney Associates, Bethesda, MD and Johns Hopkins University School of Medicine, Baltimore, MD (JEH); Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, FL (OG). BT - Journal of addiction medicine C5 - Education & Workforce; Opioids & Substance Use CP - 2 CY - United States DO - 10.1097/ADM.0000000000000876 IS - 2 JF - Journal of addiction medicine LA - eng M1 - Journal Article PB - American Society of Addiction Medicine PP - United States PY - 2022 SN - 1935-3227; 1932-0620 SP - 223 EP - 228 EP - T1 - The Use of Kratom (Mitragyna speciosa Korth.) Among People Who Co-use Heroin and Methamphetamine in Malaysia T2 - Journal of addiction medicine TI - The Use of Kratom (Mitragyna speciosa Korth.) Among People Who Co-use Heroin and Methamphetamine in Malaysia U1 - Education & Workforce; Opioids & Substance Use U2 - 34001777 U3 - 10.1097/ADM.0000000000000876 VL - 16 VO - 1935-3227; 1932-0620 Y1 - 2022 Y2 - Mar-Apr 01 ER -