APA-viite (7. p.)

Bishop, F., Howick, J., Heneghan, C., Stevens, S., Hobbs, R., & Lewith, G. (2014). Placebo use in the UK: A qualitative study exploring GPs' views on placebo effects in clinical practice.

Chicago-viite (17. p.)

Bishop, F., J. Howick, C. Heneghan, S. Stevens, R. Hobbs, ja G. Lewith. Placebo Use in the UK: A Qualitative Study Exploring GPs' Views on Placebo Effects in Clinical Practice. 2014.

MLA-viite (9. p.)

Bishop, F., et al. Placebo Use in the UK: A Qualitative Study Exploring GPs' Views on Placebo Effects in Clinical Practice. 2014.

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