PIHKALAnthologyShulgin_page_16

PIHKALAnthologyShulgin | page 16 | https://thedailydialectics.com/pdfs/education/chemistry/phenylethylenes/PIHKALAnthologyShulgin/PIHKALAnthologyShulgin.pdf

compounds that are orally active at levels much below 50 micrograms. And I have discovered that the very few drugs that are active in the human central nervous system which turn out to be dangerous to the investigator at effective dosages, have usually given some preliminary warnings at threshold…