Current NCI Preclinical Antitumor Screening in Vivo: Results of Tumor Panel Screening, 1976-1982, and Future Directions; The Pharmacology of Prodrugs of 5-Fluorouracil and 1-ß-D-Arabinofuranosylcytosine; Biochemical Pharmacology, Metabolism, and Mechanism of Action of L-Alanosine, A Novel, Natural Antitumor Agent; Computer-Assisted Structure-Activity Correlations; The Sugar Alcohols: A Profile; Praziquantel.