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Principal Publications

• Mason WS, Xu C, Low HC, Saputelli J, Aldrich CE, Scougall C, Grosse A, Colonno R, Litwin S, Jilbert AR. The amount of hepatocyte turnover that occurred during resolution of transient hepadnavirus infections was lower when virus replication was inhibited with Entecavir. J Virol. In Press.
• Mason WS, Litwin S, Jilbert AR. Immune selection during chronic hepadnavirus infection. Hepatology International. 2008;2:3-16.
• Litwin S, Wong Y-N, Hudes G. Early stopping designs based on progression free survival at an early time point in the initial cohort. Stat Med. 2007;26:4400-4015.
• Litwin S, Toll E, Jilbert AR, Mason WS. The competing roles of virus replication and hepatocyte death rates in the emergence of drug-resistant mutants: Theoretical considerations. J Clin Virol. 2005;35:S96-S107.
• Zhang YY, Zhang BH, Theeli D, Litwin S, Toll E, Summers J. Single-cell analysis of covalently closed circular DNA copy numbers in a hepadnavirus-infected liver. Proc Natl Acad Sci USA. 2003;100:12372-12377.
• Summers J, Jilbert AR, Yang W, Aldrich CE, Saputelli J, Litwin S, Toll E, Mason WS. Hepatocyte turnover during resolution of a transient hepadnaviral infection. Proc Natl Acad Sci USA. 2003;100:11652-11659.
• Mintz B, Anthony K, Litwin S. Monoclonal derivation of mouse myeloid and lymphoid lineages from totipotent hematopoietic stem cells experimentally engrafted in fetal hosts. Proc Natl Acad Sci USA. 1984;81:7835-7839.
• Lustbader E, Litwin S. The design of censored survival studies. Biometrics 1981;37:697-704.
• Englander SW, Kallenbach NR, Heeger AJ, Krumhansl JA, Litwin S. Nature of the open state in long polynucleotide double helices: the possibility of soliton excitations. Proc Natl Acad Sci, USA. 1980;77(12):7222-7226.
• Litwin S. Monte Carlo simulation of particle adsorption rates at high cell concentrations. Biophys J. 1980;31:271-278.
• Litwin S. The lengths of fragments covering a fixed marker in randomly cut linear or circular DNA. J Appl Probab. 1979;16:721-731.
• Litwin S. The distribution of the shortest distance between random cuts on opposite strands of DNA. J Appl Probab. 1974;11:363-368.
• Litwin S, Kallenbach NR. Kinetics of DNA replication in bacteria with heterogeneous generation times. J Theoret. Biol. 1970 27:357-376.
• Litwin S, Shahn E, Kozinski AW. Interpretation of sucrose gradient distributions for randomly cut DNA. J Virol. 1969 4:24-30.
• Gibbons J, Litwin S. Estimation of the number of critical sites in limited genome expression during viral infection of bacteria. Biometrics. 1969;25:537-544.
• Litwin S. The distribution of radioactive recovery in randomly cut and sedimented DNA. J Appl Probab. 1969;6:275-284.