Complex sentence: Burstow is widely regarded as the first perpetrator to be jailed for causing psychological grievous bodily harm in the UK and his case has been used as a legal precendent for establishing non-physical harm in subsequent cases.
Split into simpler sentences: Burstow is widely regarded as the first perpetrator in the UK to be jailed for causing psychological grievous bodily harm. His case has been used as a legal precendent for establishing non-physical harm in subsequent cases.