Eric Walker added OxyContin, opioid addiction, Purdue Pharma and the Sackler family to Purdue Pharma LP, and added Purdue Pharma LP to Pharmaceutical makers and biopharmaceutical companies

Eric Walker added McKinsey & Company, Purdue Pharma and the opioid crisis and a number of links to OxyContin, opioid addiction, Purdue Pharma and the Sackler family, and added OxyContin, opioid addiction, Purdue Pharma and the Sackler family to a number of topics

Eric Walker added a number of topics and a number of links to Pharmaceutical makers and biopharmaceutical companies, and added Pharmaceutical makers and biopharmaceutical companies to Medications and Biotechnology businesses