Complex sentence: He practised medicine in France for some time to gain further experience before returning to Vietnam in 1938 where he founded the first South Vietnamese maternity clinic in Phú Nhuận on the outskirts of Saigon, and later became Director of the national maternity hospital Từ Dũ in Saigon.
Split into simpler sentences: He practised medicine in France for some time to gain further experience before returning to Vietnam in 1938 where he founded the first South Vietnamese maternity clinic in Phú Nhuận on the outskirts of Saigon. He later became Director of the national maternity hospital Từ Dũ in Saigon.