1,720,963 research outputs found
Immunohistochemical Evaluation of epithelial markers (IgAs, SC, EMA and CEA) in the adenoma-carcinoma sequence of the large bowel.
No full textIgA, SC, EMA and CEA related to the Mucin Pattern in Colon-Rectal Carcinoma: an immunohistochemical study.
No full textRilievi quantitativi su uno studio sistematico dei polipi adenomatosi dell'intestino crasso.
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Partial regression of Barrett's esophagus by long-term therapy with high-dose omeprazole
No full textAre duodenal ulcer seasonal fluctuations paralleled by seasonal changes in 24-hour gastric acidity and Helicobacter pylori infection?
No full textHistological and functional recovery in patients with multifocal atrophic gastritis after eradication of Helicobacter pylori infection.
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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