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Sprengel, R.; Kaleta, E. F.; Will, H.: Isolation and Characterization of a Hepatitis B Virus Endemic in Herons. Journal of Virology 62 (10), pp. 3832 - 3839 (1988)

Schödel, F.; Weimer, T.; Will, H.; Sprengel, R.: Letter to the Editor: Amino Acid Sequence Similarity Between Retroviral and E. coli RNase H and Hepadnaviral Gene Products. AIDS Research and Human Retroviruses 4 (6), pp. ix - xi (1988)

Sprengel, R.; Will, H.: Duck hepatitis B virus. Developments in veterinary virology 6, pp. 336 - 386 (1988)

Chang, C.; Enders, G.; Sprengel, R.; Peters, N.; Varmus, H. E.; Ganem, D.: Expression of the precore region of an avian hepatitis B virus is not required for viral replication. Journal of Virology 61 (10), pp. 3322 - 3325 (1987)

Stahnke, G.; Sprengel, R.; Augustin, J.; Will, H.: Human hepatic triglyceride lipase: cDNA cloning, amino acid sequence and expression in a cultured cell line. Differentiation 35 (1), pp. 45 - 52 (1987)

Sprengel, R.; Varmus, H. E.; Ganem, D.: Homologous recombination between hepadnaviral genomes following in Vivo DNA transfection: Implications for studies of viral infectivity. Virology 159 (2), pp. 454 - 456 (1987)

Will, H.; Reiser, W.; Weimer, T.; Pfaff, E.; Büscher, M.; Sprengel, R.; Cattaneo, R.; Schaller, H.: Replication strategy of human hepatitis B virus. Journal of Virology 61 (3), pp. 904 - 911 (1987)

Sprengel, R.; Kuhn, C.; Will, H.; Schaller, H.: Comparative sequence analysis of duck and human hepatitis B virus genomes. Journal of Medical Virology 15 (4), pp. 323 - 333 (1985)

Sprengel, R.; Reiss, B.; Schaller, H.: Translationally coupled initiation of protein synthesis in Bacillus subtilis. Nucleic Acids Research (London) 13 (3), pp. 893 - 909 (1985)

Reiss, B.; Sprengel, R.; Schaller, H.: Protein fusions with the kanamycin resistance gene from transposon Tn5. EMBO Journal 3 (13), pp. 3317 - 3322 (1984)

Sprengel, R.; Kuhn, C.; Manso, C.; Will, H.: Cloned duck hepatitis B virus DNA is infectious in Pekin ducks. Journal of Virology 52 (3), pp. 932 - 937 (1984)

Reiss, B.; Sprengel, R.; Will, H.; Schaller, H.: A new sensitive method for qualitative and quantitative assay of neomycin phosphotransferase in crude cell extracts. Gene 30 (1-3), pp. 211 - 217 (1984)

Neugebauer, K.; Sprengel, R.; Schaller, H.: Penicillinase from Bacillus licheniformis: nucleotide sequence of the gene and implications for the biosynthesis of a secretory protein in a Gram-positive bacterium. Nucleic Acids Research 9 (11), pp. 2577 - 2588 (1981)

Sprengel, R.; Eltokhi, A.; Single, F. N.: Gene targeted mice with conditional knock-in (-out) of NMDAR mutations. In: Methods in Molecular Biology, Vol. 1677, pp. 201 - 230 (Eds. Burnashev, N.; Szepetowski, P.). Humana Press, Clifton, N.J. (2017)

Sprengel, R.: Ionotropic Glutamate Receptors. In: Neuroscience in the 21st Century, pp. 59 - 80 (Ed. Pfaff, D. W.). Springer, New York (2012)

Sprengel, R.: Genetisch veränderte Mäuse (Transgene und Knock(in)out-Mäuse) und deren Bedeutung in der Biomedizin. In: Molekulare Biotechnologie, pp. 419 - 426 (Ed. Wink, M.). Wiley−VCH, Weinheim (2011)

Sprengel, R.: Transgenic and gene targeted mice and their impact in medical research. In: An Introduction to Molecular Biotechnology, pp. 419 - 426 (Ed. Wink, M.). Wiley−VCH, Weinheim (2011)

Sprengel, R.; Eshkind, L.; Hengstler, J. G.; Bockamp, E.: Improved models for animal research. In: Sourcebook of models for biomedical research, pp. 17 - 24 (Ed. Conn, P. M.). Humana Press, Totowa, NJ (2008)

Sprengel, R.; Hasan, M. T.: Tetracycline-controlled genetic switches. In: Conditional Mutagenesis: an Approach to Disease Models, pp. 49 - 72 (Ed. Robert Feil, D. M.). Springer, Berlin Heidelberg New York (2007)

Osten, P.; Wisden, W.; Sprengel, R.: Molecular mechanisms of synaptic function in the hippocampus: Neurotransmitter exocytosis and glutamatergic, GABAergic, and cholinergic transmission. In: The Hippocampus Book, pp. 243 - 295 (Eds. Andersen, P.; Morris, R.; Amaral, D.; Bliss, T.; O'Keefe, J.). Oxford Univ. Pr., New York (2007)