Doctor of Philosophy or PhD is a postgraduate degree lasting from three up to five academic years. Subjects of a PHD can be philosophy, theology, law, medicine or liberal arts. It is a program for boys and girls interested becoming men and women with a career as teacher or lecturer.
Students of a master's degree in medical sciences are medical graduates and young professionals with ambitions of becoming a doctor, psychologist, nurse. Men and women, boys and girls who follow these postgraduate courses in medicine and health care to be able to work in hospitals, clinics, surgeries.