Source: https://www.researchgate.net/profile/Herve-Javelot/publication/282911556_Psychopharmacology_of_anxiety_and_depression_Historical_aspects_current_treatments_and_perspectives/links/59fc6ec9aca272347a21325e/Psychopharmacology-of-anxiety-and-depression-Historical-aspects-current-treatments-and-perspectives.pdf