S. Leighton

National weed containment and eradication zones: challenges, successes, and lessons learned.

N. D. Crossman, H. Cherry, S. Leighton, 2006 .

MEDICAL INFORMATION SERVICES IN THE PHARMACEUTICAL INDUSTRY : A SURVEY OF PHARMACISTS' VIEWS WITH RECOMMENDATIONS

S. Leighton, G. Roberts, A. Robson, 1996 .