The poorest parts of the world are by and large the places in which one can best view the worst of medicine and not because doctors in these countries have different ideas about what constitutes modern medicine. It's the system and its limitations that are to blame.
Later, after flying in the Navy for four or five years, spending some time on an aircraft carrier, I applied to and was accepted in a program where I went to graduate school first and then to the Naval Test Pilots School.