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Published Online:https://doi.org/10.1176/ajp.125.5.685

An inquiry was sent to 29 investigators conducting research involving the use of LSD or other hallucinogens, in an effort to determine what effects publicity about LSD may have had upon their research. Nineteen of the investigators reported that the publicity had negatively affected the recruitment of "appropriate" subjects, the attitudes of already participating subjects, the behavior of research personnel, and the continuation of several research projects.

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