APA-referens (7:e uppl.)

Crocker, J., Ricci-Cabello, I., Parker, A., Hirst, J., Chant, A., Petit-Zeman, S., . . . Rees, S. (2018). Impact of patient and public involvement on enrolment and retention in clinical trials: Systematic review and meta-analysis. BMJ Publishing Group.

Chicago-referens (17:e uppl.)

Crocker, J., I. Ricci-Cabello, A. Parker, J. Hirst, A. Chant, S. Petit-Zeman, D. Evans, och S. Rees. Impact of Patient and Public Involvement on Enrolment and Retention in Clinical Trials: Systematic Review and Meta-analysis. BMJ Publishing Group, 2018.

MLA-referens (9:e uppl.)

Crocker, J., et al. Impact of Patient and Public Involvement on Enrolment and Retention in Clinical Trials: Systematic Review and Meta-analysis. BMJ Publishing Group, 2018.