Are duodenal ulcer seasonal fluctuations paralleled by seasonal changes in 24-hour gastric acidity and Helicobacter pylori infection?

Creators: SAVARINO, VINCENZO; MELA, GIUSEPPE; ZENTILIN, PATRIZIA; LAPERTOSA, GABRIELLA; MANSI, CARLO; CELLE, GUIDO; Cutela P; Mele MR; Dallorto E; Vassallo A

Others:: Savarino, Vincenzo; Mela, Giuseppe; Zentilin, Patrizia; Lapertosa, Gabriella; Cutela, P; Mele, Mr; Mansi, Carlo; Dallorto, E; Vassallo, A; Celle, Guido

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