Bioactive compounds from the genus Broussonetia; Chemical and biological studies on Licania genus; Recent progress in retinoid chemistry; Bioactive tetramic acid metabolites; Chemistry and biological activities of Ginkgo biloba; Chemistry and biological activities of isoprenylated flavonoids from medicinal plants; Plant polyphenols: Structure, occurrence and bioactivity; Promising pharmacological actions of crocin in Crocus sativus on the central nervous system; Synthesis and modification of marcfortine and paraherquamide class of anthelmintics; Acaricides of natural origin, personal experiences and review of -- literature (1990-2001); Podolactones: A group of biologically active norditerpenoids; Antitumoral activity of lipids A studies in animal models and cancer patients; Prevention of cancer chemotherapy drug-induced adverse reaction, antitumor and antimetastatic activities by natural products; Biologically active triterpene glycosides from sea cucumbers (holothuroidea, echinodermata); Sulfur-containing natural products from marine invertebrates; Subject Index.