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Deutsche Medizinische Wochenschrift (1946)|February 12, 1993
[Closure of a persistent ductus arteriosus Botallo without thoracotomy]L Belau, L Grävinghoff, E W Keck
European Journal of Biochemistry|May 2, 1985
Comparison of two hydrolytic murein transglycosylases of Escherichia coliW Keck, F B Wientjes, U Schwarz
Molecular and Cellular Endocrinology|May 1, 1981
Relations between steroid-cell contact, steroid-binding and induction of tyrosine aminotransferaseE M Giesen, C Bollack, G Beck
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