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684-8(December 1989)Tawfik-Schlieper, H Klotz, K N Kreye, V A Schwabe, U In Vitro Research
Support, Non-U.S. Gov't Germany, west Naunyn-Schmiedeberg's archives
of pharmacology Naunyn Schmiedebergs Arch Pharmacol. 1989 Dec;340(6):684-8..