english: If, for any reason, they feel that this might not be possible, then I think they should have to ethically justify why the clinical trial should be conducted in the first place.
non_english: Ako, iz bilo kog razloga, oni smatraju  da to ne bi bilo moguće, onda mislim da bi trebalo etički da opravdaju zašto kliničko istraživanje i treba uopšte da bude sprovedeno.