Cita APA

Freeman, M., Offman, J., Walter, F. M., Sasieni, P., & Smith, S. G. (2017). Acceptability of the Cytosponge procedure for detecting Barrett's oesophagus: A qualitative study. BMJ Open.

Chicago Style Citation

Freeman, Madeleine, Judith Offman, Fiona M. Walter, Peter Sasieni, i Samuel G. Smith. "Acceptability of the Cytosponge Procedure for Detecting Barrett's Oesophagus: A Qualitative Study." BMJ Open 2017.

Cita MLA

Freeman, Madeleine, et al. "Acceptability of the Cytosponge Procedure for Detecting Barrett's Oesophagus: A Qualitative Study." BMJ Open 2017.