. . . . . . . . . . . . "doctor" . . . . . . . . "Doctor of" . . . . . . . . . . . . . . "Doctor's degree" . "Medical Doctor" . . . . . . . . "Philosophiae Doctor" . . . . . . . . . . . . "Doctor Degree" . . . . . . . "Doctor of" . . . . . "Medical Degree" . .