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, also called a doctor of podiatric medicine, is a specialist who provides medical diagnosis and treatment of foot and ankle problems, including, but not limited to sprains and fractures, bunions, heel pain/spurs, hammertoes, neuromas, ingrown & fungal toenails, warts, corns and calluses.