Bert Fellows

Comparison of psychological status of chronic pain patients and the general population.

Laxmaiah Manchikanti, L. Manchikanti, V. Pampati, 2002, Pain physician.

American Society of Interventional Pain Physicians (ASIPP) guidelines for responsible opioid prescribing in chronic non-cancer pain: Part 2--guidance.

Hans Hansen, Joshua A Hirsch, Salahadin Abdi, 2012, Pain physician.

Opioid epidemic in the United States.

Laxmaiah Manchikanti, L. Manchikanti, S. Helm, 2012, Pain physician.

Patient Protection and Affordable Care Act of 2010: reforming the health care reform for the new decade.

Joshua A Hirsch, Laxmaiah Manchikanti, L. Manchikanti, 2011, Pain physician.