1. Abouchedid R, Gilks T, Dargan PI, Archer JRH, Wood DM (2018) Assessment of the availability, cost, and motivations for use over time of the new psychoactive substances-benzodiazepines diclazepam, flubromazepam, and pyrazolam-in the UK. J Med Toxicol 14:134–143
2. Abramson HA (ed) (1967) The use of LSD in psychotherapy and alcoholism. Bobbs-Merrill, Indianapolis
3. Alberts L (1921) Einwirkungen des Meskalins auf komplizierte psychische Vorgänge. Dissertation, Heidelberg University, Heidelberg
4. Alles G (1959) Subjective reactions to phenethylamine hallucinogens. In: Featherstone RM, Simon A (eds) A pharmacologic approach to the study of the mind. C.C. Thomas, Springfield, pp 238–250
5. Altman LK (1972) Auto-experimentation – an unappreciated tradition in medical science. N Eng J Med 286:346–352