hat
Malgre ke efè a soulaje nan sibstans la te rekonèt byen bonè nan, efè segondè li yo te devastatè. Entesten te mennen nan boule chimik nan bouch la ak mukoza gastric - yon pwoblèm ki te elimine pa jèn Bayer famasi Hoffmann ak Dreser e koulye a prezante nan fòm poud.
eng
Although the alleviating effect of the substance had been recognized early on, its side effects were devastating. Ingestion led to chemical burns of the mouth and gastric mucosa - a problem that was eliminated by the young Bayer chemists Hoffmann and Dreser and henceforth presented in powder form.