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Drugs Under Experimental and Clinical Research|January 1, 1989
Synthesis and antitumour activity of 4-nitroso-4-(2-chloroethyl)semicarbazidesR G Gugova, Z D Raikov, S G Zakhariev, et al.
Khirurgiia|January 1, 1990
[The incidence of duodenogastric reflux and its relation to stomach and duodenal diseases]D Radev, I Kotsev, P Panaĭotov, et al.
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