Abstract
A work sampling method was applied to provide a description of the tasks performed by staff members in the hospital pharmacy drug information center of the University of Tokyo. A total of 1090 observations were recorded during 13 days in 3-week period on each of the three pharmacists and a part-timer. Productive time was 78% of the total time. The collection and distribution of drug information occupied 60% and 36% of productive time, respectively.