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Oral and dental manifestations of vitamin D-dependent rickets type I: Report of a pediatric caseMarlene Legña Zambrano, Helen Rivera, María del Carmen Sánchez‐Quevedo et al.|Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology|2003Cited by 81
Granulomatous Foreign-Body Reaction Involving Oral and Perioral Tissues After Injection of Biomaterials: A Series of 7 Cases and Review of the LiteratureBruno Correia Jham, Helen Rivera, Bernard A. Levy et al.|Journal of Oral and Maxillofacial Surgery|2009Cited by 64
Primary sjögren syndrome in childhood: report of a case and review of the literatureNikolaos G. Nikitakis, John J. Sauk, Helen Rivera et al.|Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology|2003Cited by 61
Immunohistochemical Expression of Angiogenesis-Related Markers in Oral Squamous Cell Carcinomas With Multiple Metastatic Lymph NodesJohn J. Sauk, Nikolaos G. Nikitakis, Hessam Siavash et al.|American Journal of Clinical Pathology|2003Cited by 31