APA style. APA Style is a writing style and format for academic documents such as journal articles and books. It is described in the style guide of the American Psychological Association (APA), which is titled the Publication Manual of the American Psychological Association.
A pain doctor, also called a pain specialist or pain management specialist, is a medical doctor (M.D.) or doctor of osteopathy (D.O.) who specializes in pain medicine.
A podiatrist is a Doctor of Podiatric Medicine (DPM). A podiatrist has specialized training to treat disorders of the foot and ankle. They receive medical training plus specialized training on the foot, ankle, and lower leg.