Međutim o kakvim se poznavaocima lijekova radi najbolje ilustrira slijedeće rečenica: " Following the Freedom of Information Act (FOIA), we requested from the FDA all publicly releasable information about the clinical trials for efficacy conducted for marketing approval of fluoxetine, venlafaxine, nefazodone, paroxetine, sertraline, and citalopram, the six most widely prescribed antidepressants approved between 1987 and 1999, which represent all but one of the selective serotonin reuptake inhibitors (SSRIs) approved during the study period. " Svi koji se bave depresijom dobro znaju da venlafaksin i nefazodon ne pripadaju u SSRI skupinu, već da se radi o lijekovima dvojakog djelovanja, na serotoninski i na noradrenergički sustav, da sad ne ulazimo podrobnije u sam mehanizam tog djelovanja.