Drug Abuse Research Trend Investigation with Text Mining

Table 1

Top 30 keywords and corresponding article numbers.

Ranking 1–10	No.	Ranking 11–20	No.	Ranking 21–30	No.
Treatment	11194	Alcohol	3793	Therapy	2794
Study	10138	Opioid	3647	Behavior	2751
Addiction	8134	Dependence	3236	Response	2598
Drug	7857	Day	3220	Time	2520
Patient	7278	Finding	3178	Change	2510
Amyotrophic lateral sclerosis	6833	Cocaine	2996	Dose	2475
Use	6727	Level	2969	Model	2475
Effect	6037	Outcome	2956	Research	2472
Result	4973	Receptor	2887	Rat	2425
Group	3844	Detoxification	2806	Role	2404