Complex sentence: The 1972 Protocol to this Convention calls for increased efforts to prevent illicit production of, traffic in and use of narcotics as defined by the Convention, while highlighting the need to provide treatment and rehabilitation services to drug abusers.
Split into simpler sentences: The 1972 Protocol to this Convention calls for increased efforts to prevent illicit production of, traffic in and use of narcotics. It also highlights the need to provide treatment and rehabilitation services to drug abusers.