一旦受试者入组后，整个研究过程中研究人员有必要即时提供受试者所需的信息，即使没有正式的文件，受试者继续参与研究的意愿还是需要做进一步的了解。

Once a subject has enrolled in research, there is often an ongoing need to make information available and to assess, if not document, the willingness of the subject to continue in the research.

youdao

一旦受试者入组后，整个研究过程中研究人员有必要即时提供受试者所需的信息，即使没有正式的文件，受试者继续参与研究的意愿还是需要做进一步的了解。

Once a subject has enrolled in research, there is often an ongoing need to make information available and to assess, if not document, the willingness of the subject to continue in the research.

youdao