1. Nam BD, and Lee SK. A study on accident of the residents in rural area. Korean J Rural Med 1983;8:12-8.
2. Kim DH, and Jung C. Accident and disease related to agriculture in a rural Korea. Korean J Rural Med 1998;23:39-49.
3. Effects of IL-7 on human lymphocytes
4. Kim BS, and Chon HJ. A study for injuries due to agricultural machines in Kyeongsangnam province. Korean J Rural Med 1995;20:15-23.
5. Lee KE, Lee HJ, Gwak WG, Ji MG, Song HS, and Hong SY et al. Relationship between reflective light and traffic accidents involving power-tillers. Korean J Rural Med 2003;28:61-70.