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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1955 1
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1969 1
1973 3
1975 1
1976 1
1978 2
1982 3
1983 1
1984 1
1987 1
1988 1
1989 1
1990 1
1992 1
2006 1
2008 2
2010 2
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2017 2
2018 2
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35 results

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Page 1
Human hallucinogen research: guidelines for safety.
Johnson M, Richards W, Griffiths R. Johnson M, et al. Among authors: richards w. J Psychopharmacol. 2008 Aug;22(6):603-20. doi: 10.1177/0269881108093587. Epub 2008 Jul 1. J Psychopharmacol. 2008. PMID: 18593734 Free PMC article. Review.
Psilocybin produces substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer: A randomized double-blind trial.
Griffiths RR, Johnson MW, Carducci MA, Umbricht A, Richards WA, Richards BD, Cosimano MP, Klinedinst MA. Griffiths RR, et al. Among authors: richards wa. J Psychopharmacol. 2016 Dec;30(12):1181-1197. doi: 10.1177/0269881116675513. J Psychopharmacol. 2016. PMID: 27909165 Free PMC article. Clinical Trial.
Parts of recognition.
Hoffman DD, Richards WA. Hoffman DD, et al. Among authors: richards wa. Cognition. 1984 Dec;18(1-3):65-96. doi: 10.1016/0010-0277(84)90022-2. Cognition. 1984. PMID: 6543164 No abstract available.
Implications of LSD and experimental mysticism.
Pahnke WN, Richards WA. Pahnke WN, et al. Among authors: richards wa. J Relig Health. 1966 Jul;5(3):175-208. doi: 10.1007/BF01532646. J Relig Health. 1966. PMID: 24424798 No abstract available.
Low doses of Dipropyltryptamine in psychotherapy.
Soskin RA, Grof S, Richards WA. Soskin RA, et al. Among authors: richards wa. Arch Gen Psychiatry. 1973 Jun;28(6):817-21. doi: 10.1001/archpsyc.1973.01750360047006. Arch Gen Psychiatry. 1973. PMID: 4575167 Clinical Trial. No abstract available.
Lessons to be learned from early psychedelic therapy in Denmark.
Erritzoe D, Richards WA. Erritzoe D, et al. Among authors: richards wa. Nord J Psychiatry. 2017 Oct;71(7):487-488. doi: 10.1080/08039488.2017.1336252. Epub 2017 Jul 20. Nord J Psychiatry. 2017. PMID: 28727504 No abstract available.
35 results