APA

Morgan M. A., Twine C. P., Lewis W. G., Lambe R., Oliphant H. E., Robinson M., Crosby T. D. L. & Roberts S. A. (20090220). Prognostic significance of failure to cross esophageal tumors by endoluminal ultrasound. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

Chicago

Morgan M A, Twine C P, Lewis W G, Lambe R, Oliphant H E, Robinson M, Crosby T D L and Roberts S A. 20090220. Prognostic significance of failure to cross esophageal tumors by endoluminal ultrasound. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

Harvard

Morgan M. A., Twine C. P., Lewis W. G., Lambe R., Oliphant H. E., Robinson M., Crosby T. D. L. and Roberts S. A. (20090220). Prognostic significance of failure to cross esophageal tumors by endoluminal ultrasound. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

MLA

Morgan M A, Twine C P, Lewis W G, Lambe R, Oliphant H E, Robinson M, Crosby T D L and Roberts S A. Prognostic significance of failure to cross esophageal tumors by endoluminal ultrasound. : Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 20090220.