APA
Sillah K., Pritchard S. A., Watkins G. R., McShane J., West C. M., Page R. & Welch I. M. (20091019). The degree of circumferential tumour involvement as a prognostic factor in oesophageal cancer. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.
Chicago
Sillah Karim, Pritchard Susan A, Watkins Gillian R, McShane James, West Catharine M, Page Richard and Welch Ian M. 20091019. The degree of circumferential tumour involvement as a prognostic factor in oesophageal cancer. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.
Harvard
Sillah K., Pritchard S. A., Watkins G. R., McShane J., West C. M., Page R. and Welch I. M. (20091019). The degree of circumferential tumour involvement as a prognostic factor in oesophageal cancer. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.
MLA
Sillah Karim, Pritchard Susan A, Watkins Gillian R, McShane James, West Catharine M, Page Richard and Welch Ian M. The degree of circumferential tumour involvement as a prognostic factor in oesophageal cancer. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery. 20091019.