Physicochemical basis of the universal genetic codes - quantitative analysis.- Enzymatic generation of complex peptides.- The role of apoptosis in neurodegenerative diseases.- Viral quasispecies and the problem of vaccine-escape and drug-resistant mutants.- Immunotherapy for brain diseases and mental illnesses.- Natural products and their derivatives as cancer chemopreventive agents.- Dopamine receptor diversity: Molecular and pharmacological perspectives.- Novel and unusual nucleosides as drugs.- Index Sachverzeichnis Table des matières, Vol. 48.- Index of titles Verzeichnis der Titel Index des titres Vol. 1-48.- Author and paper index Autoren- und Artikelindex Index des auteurs et des articles, Vol. 1-48.