Chiropractors, podiatrists, and veterinarians are all examples of

medical doctors
jobs that require a master's degree
other types of doctors that are not considered the same as medical doctors
jobs you can learn at a technical school

other types of doctors that are not considered the same as medical doctors

Explanation:

Medical doctors are health professionals authorized by the State to practice medicine; it deals with human health, preventing, diagnosing, treating and curing diseases, which requires detailed knowledge of academic disciplines (such as anatomy and physiology) behind diseases and treatment - the science of medicine - and also competence in its applied practice - the art of medicine.

Although they are not medical doctors, chiropractors, podiatrists, and veterinarians, they are examples of other types of doctors, as they work directly with health related to other factors, such as the veterinarian who is responsible for animal health, for example.