Recent advances in prevention and treatment of hepatitis C virus infections.- The effects of morphine on cell proliferation.- Glucosamine and chondroitin sulfates in the treatment of osteoarthritis: a survey.- Multi-dimensional QSAR in drug research.- NMR spectroscopy in drug discovery: Tools for combinatorial chemistry, natural products, and metabolism research.- Prostate cancer and the androgen receptor: Strategies for the development of novel therapeutics.- Quantitative structure-activity relationships of cardiotonic agents.- Index Vol. 55.- Index of titles, Vol. 1-55.- Author and paper index, Vol. 1-55.