These are the scientific papers I have published. In most of them I am the first author and I designed the research protocol. These clinical research projects were carried out at Harlem Hospital, S. Francisco Xavier Hospital and the clinics in Lisbon and Santarem.
According to the copyright laws I am not the owner of these articles. Therefore I cannot publish the full text in this website. Each article has a link to the publisher that owns the its copyright in case you want to read the full text.

• Rosario Manuel, Raso Carl, Comer Gail, Clain David. “Transnasal brush cytology for the diagnosis of esophageal candidiasis in acquired immunodeficiency syndrome. Gastrointestinal Endoscopy 1989; 35: 102-3.
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• Rosario Manuel, Raso, Carl, Comer Gail. “Esophageal tuberculosis”. Digestive Diseases and Sciences 1989; 34: 1281-3.
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• Rosario Manuel, Costa Nuno F. “Combination of midazolam and flumazenil in upper gastrointestinal endoscopy, a double blind randomized study”. Gastrointestinal Endoscopy 1990; 36: 30-3.
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• Rosario Manuel, Costa Nuno F. “Flumazenil (Ro-1788), a benzodiazepine inhibitor, in upper gastrointestinal endoscopy”. Gastroenterology 1989; 96: A424.
• Rosario Manuel, Neves Carlos, Ferreira Antonio F. Sales Luis Armando. “Ectopic papila of Vater”. Gastrointestinal Endoscopy 1990; 36: 606-7.
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• Rosario Manuel, Alves Isabel Madeira, Sales Luis Armando. “Intranasal midazolam for sedation in upper gastrointestinal endoscopy”. European Journal of Gastroenterology and Hepatology 1990; 2: S94.
• Rosario Manuel, Alves Isabel Madeira, Martins Filomena, Dupret Dulce, Sales Luis Armando. “Combination of bismuth subcitrate and furazolidone in eradication therapy for H. pylori” Gastroenterology 1992; 102: A154.
• Rosario Manuel, Alves Isabel Madeira, Sales Luis Armando. “Precut sphincterotomy, how safe how effective?” Gastrointestinal Endoscopy 1993; 39: 256.
• Rosario Manuel, Alves Isabel Madeira, Sales Luis Armando. “Does intranasal flumazenil work?” Gastrointestinal Endoscopy 1993; 39: 269.
• Rosario Manuel, Alves Isabel Madeira, Carneiro António Vaz, Ventura António Madeira, Sales Luis Armando. “Adult duodenal web, endoscopic management”. Endoscopy 1993; 25: 483.
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• Rosario Manuel, Alves Isabel Madeira, Costa Nuno Felix, Sales-Luis Armando. “Efficacy of intranasal flumazenil a double blind randomized study” CAR Revista 1996; 9: 25-28.
• Rosario Manuel, Machado Caetano Joaquim, Pessanha Maira Ana, Marote Graça, Alves da Silva, Machado Caetano Joaquim António. “Perfil de resistencia aos macrólidos e imidazois do Helicobacter pylori numa amostra da população portuguesa” Acta Médica Portuguesa 1998; 11: 1069.