The update for 1985-1987 covers 863 articles on the absorption, distribution, metabolism, and excretion of chemicals for oral routes of administration in laboratory animals or in humans. Quantitative and qualitative studies are included. Extracted data fields include number of figures, CAS registry number, chemical name, chemical type, chemical characteristics, study purpose, organism class, species name, strain, test duration, and route/method. Articles were selected from a literature search of Chemical Abstracts from May 1985 - December 1987. A correction file to previous data is also included in the tape. The update brings the total datafile to 4941 articles and approximately 3000 chemicals for the period 1967-1987.