Howick, J., & Hoffmann, T. (2018). How placebo characteristics can influence estimates of intervention effects in trials. Canadian Medical Association.
芝加哥风格引文Howick, J., 与 T. Hoffmann. How Placebo Characteristics Can Influence Estimates of Intervention Effects in Trials. Canadian Medical Association, 2018.
MLA引文Howick, J., 与 T. Hoffmann. How Placebo Characteristics Can Influence Estimates of Intervention Effects in Trials. Canadian Medical Association, 2018.
警告：这些引文格式不一定是100％准确.