1. Modification of nucleic acids in relation to differentiation;Borek;Trends Biochem. Sci.,1977
2. Atypical transfer RNAs and their origin in neoplastic cells;Borek;Adv. Cancer Res.,1972
3. Transfer RNA methylase activity in benign human ovarian neoplasms;Sheid;Cancer Res.,1974
4. High turnover rate of transfer RNA in tumor tissue;Borek;Cancer Res.,1977
5. Patterns of urinary excretion of modified nucleosides;Gehrke;Cancer Res.,1979