Concepedia

Rafaela Sierra

RS

Statistics

Publications

8

Citations

411

H-Index

8

Active since

1989

Affiliations

Universidad de Costa Rica(Current)

Hôpital Pellegrin

Rafaela Sierra is an author at Universidad de Costa Rica specializing in medicine, cancer research, and oncology.

Top concepts

Publications per year

1989–2009

8

Publications

8

The<i>cag</i>Pathogenicity Island of<i>Helicobacter pylori</i>Is Disrupted in the Majority of Patient Isolates from Different Human Populations

Farhana Kauser, Aleem Ahmed Khan, Manzar Hussain et al. · Journal of Clinical Microbiology · 2004 · 90 citations · Full text

Distribution of Open Reading Frames of Plasticity Region of Strain J99 in <i>Helicobacter pylori</i> Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica

Alessandra Occhialini, Armelle Marais, Richard A. Alm et al. · Infection and Immunity · 2000 · 81 citations · Full text

Measurement of Colonic Transit Time in Children

Adolfo Bautista Casasnovas, R. Varela Cives, Allen Jeremias et al. · Journal of Pediatric Gastroenterology and Nutrition · 1991 · 75 citations

, , +13

Composition and Gene Expression of the <i>cag</i> Pathogenicity Island in <i>Helicobacter pylori</i> Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica

Alessandra Occhialini, Armelle Marais, María C. Urdaci et al. · Infection and Immunity · 2001 · 55 citations · Full text

Urokinase plasminogen activator receptor is expressed in invasive cells in gastric carcinomas from high‐ and low‐risk countries

Warner Alpízar‐Alpízar, Boye Schnack Nielsen, Rafaela Sierra et al. · International Journal of Cancer · 2009 · 34 citations · Full text

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