au.\*:("ZIFFREN SE")
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COMPARATIVE MORTALITY FOR VARIOUS SURGICAL OPERATIONS IN OLDER VERSUS YOUNGER AGE GROUPS = ETUDE COMPARATIVE DE LA MORTALITE AU COURS DE DIVERSES INTERVENTIONS CHEZ LE JEUNE ET LE VIEILLARDZIFFREN SE; HARTFORD CE.1972; J. AMER. GERIATR. SOC.; U.S.A.; DA. 1972; VOL. 20; NO 10; PP. 485-489; BIBL. 11REF.Serial Issue
