APA
Fontes L. H. S., Herbella F. A. M., Rodriguez T. N., Trivino T. & Farah J. F. M. (20140402). Progression of diffuse esophageal spasm to achalasia: incidence and predictive factors. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.
Chicago
Fontes L H S, Herbella F A M, Rodriguez T N, Trivino T and Farah J F M. 20140402. Progression of diffuse esophageal spasm to achalasia: incidence and predictive factors. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.
Harvard
Fontes L. H. S., Herbella F. A. M., Rodriguez T. N., Trivino T. and Farah J. F. M. (20140402). Progression of diffuse esophageal spasm to achalasia: incidence and predictive factors. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.
MLA
Fontes L H S, Herbella F A M, Rodriguez T N, Trivino T and Farah J F M. Progression of diffuse esophageal spasm to achalasia: incidence and predictive factors. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 20140402.