You can at least save dial-up costs by telnetting to: medlars.nlm.nih.gov for medline. Also, sequence related medline refs. can be accessed for free from the ncbi www page which is (I think): http://www.ncbi.nlm.nih.gov/ -- Sanford Silverman >Opinions expressed here are my own< American Cyanamid silvermans at pt.cyanamid.com "Yeast is Best"