TY  - RPRT
TI  - Psychedelic drug flashbacks: subjective reports and biographical data.
AU  - R E Matefy
AU  - C Hayes
AU  - J Hirsch
PY  - 1978
DO  - 10.1016/0306-4603(78)90015-1
UR  - https://pubmed.ncbi.nlm.nih.gov/735901/
ID  - 735901
ER  -