APA

Coelho L. G., Passos M. C., Chausson Y., Costa E. L., Maia A. F., Brandao M. J., Rodrigues D. C. & Castro L. P. (19921019). Duodenal ulcer and eradication of Helicobacter pylori in a developing country. An 18-month follow-up study. : Scandinavian journal of gastroenterology.

Chicago

Coelho L G, Passos M C, Chausson Y, Costa E L, Maia A F, Brandao M J, Rodrigues D C and Castro L P. 19921019. Duodenal ulcer and eradication of Helicobacter pylori in a developing country. An 18-month follow-up study. : Scandinavian journal of gastroenterology.

Harvard

Coelho L. G., Passos M. C., Chausson Y., Costa E. L., Maia A. F., Brandao M. J., Rodrigues D. C. and Castro L. P. (19921019). Duodenal ulcer and eradication of Helicobacter pylori in a developing country. An 18-month follow-up study. : Scandinavian journal of gastroenterology.

MLA

Coelho L G, Passos M C, Chausson Y, Costa E L, Maia A F, Brandao M J, Rodrigues D C and Castro L P. Duodenal ulcer and eradication of Helicobacter pylori in a developing country. An 18-month follow-up study. : Scandinavian journal of gastroenterology. 19921019.