Original Articles: PDF Only
Keyserling, W Monroe Ph.D.1; Herrin, Gary D. Ph.D.2; Chaffin, Don B. Ph.D.2
1From the Harvard School of Public Health, 665 Huntington Ave., Boston, MA 02115
2From the Center for Ergonomics, the University of Michigan, 2254 C. G. Brown Laboratory, Ann Arbor, Ml 48109