au.\*:("BECK ER")
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RAISED BLOOD UREA CONCENTRATION INDICATES CONSIDERABLE BLOOD LOSS IN ACUTE UPPER GASTROINTESTINAL HAEMORRHAGEPUMPHREY CW; BECK ER.1980; BRIT. MED. J.; GBR; DA. 1980; NO 6213; PP. 527-528; BIBL. 4 REF.Article
