Complex sentence: They also released their very well known Definition of Addiction, ASAM Criteria, ASAM Handbook of Addiction Medicine, and ASAM Principles of Addiction Medicine, each of which are widely considered benchmarks in the Addiction Medicine field.
Split into simpler sentences: They also released their very well known Definition of Addiction, ASAM Criteria, ASAM Handbook of Addiction Medicine, and ASAM Principles of Addiction Medicine. Which are widely considered benchmarks in the Addiction Medicine field.