1. Opioids: Addiction, withdrawal and recovery;Addictions and Recovery,2018
2. Oxycodone addiction: Symptoms and signs of abuse;Addictions and Recovery,2018
3. Cough syrup with codeine abuse, also known as lean and purple drank;American Addiction Center,2018
4. Fentanyl addiction: Symptoms and signs of abuse;American Addiction Center,2018
5. How long does dilaudid withdrawal last?;American Addiction Center,2018