Complex sentence: Born, raised and educated in Wales, Dilys Rees was the senior visiting specialist in paediatrics at the Adelaide Children's Hospital, beginning in 1951, then held the same position at the Queen Elizabeth Hospital, also in Adelaide, South Australia.
Split into simpler sentences: Born, raised and educated in Wales, Dilys Rees became the senior visiting specialist in paediatrics at the Adelaide Children's Hospital, beginning in 1951. Three years later she became the senior visiting specialist in paediatrics at the Queen Elizabeth Hospital, also in Adelaide, South Australia.