Campbell, M., Beard, D., Blazeby, J., Cousins, S., & Group, T. A. (2023). Further considerations for placebo controls in surgical trials. Springer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell, MK, DJ Beard, JM Blazeby, S. Cousins, और The ASPIRE Group. Further Considerations for Placebo Controls in Surgical Trials. Springer, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCampbell, MK, et al. Further Considerations for Placebo Controls in Surgical Trials. Springer, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.