Bertholf, PhD, Roger L., United States

• Journal of Opioid Management Vol. 3 No. 4 (2007): July/August - Editorial
  Opiates and opioids: What a difference a name makes
  Abstract  PDF
• Journal of Opioid Management Vol. 11 No. 1 (2015): January/February - Articles
  Choosing the right laboratory: A review of clinical and forensic toxicology services for urine drug testing in pain management
  Abstract
• Journal of Opioid Management Vol. 3 No. 6 (2007): November/December - Articles
  Family physicians’ proficiency in urine drug test interpretation
  Abstract