Dr. Abraham Norton Perina was an American physician and author known for his contributions to the field of medicine. He gained recognition for his work in the early 20th century, particularly in the areas of surgery and medical education. His writings often focused on improving surgical techniques and patient care. In addition to his medical practice, Dr. Perina was involved in various professional organizations, including the American Medical Association. He also published several articles and books that aimed to advance medical knowledge and promote best practices among healthcare professionals. His legacy continues to influence modern medicine.