english: It took time and trial and error to find  treatments that did more good than harm, but by the end of World War II, they discovered what became known  as the first chemotherapy drugs.
non_english: Trebalo im je dugo vremena i testiranja da bi pronašli lekove koji proizvode više koristi nego štete, ali pred kraj Drugog svetskog rata, otkrili su prve hemoterapijske lekove.