By the 1950s, studies revealed that there was a fatality rate of _____ percent caused by lobotomies.September 9, 2020/in Health and Medical 3 /by AdminBy the 1950s, studies revealed that there was a fatality rate of _____ percent caused by lobotomies. 0 0 Admin Admin2020-09-09 22:12:552020-09-09 22:12:55By the 1950s, studies revealed that there was a fatality rate of _____ percent caused by lobotomies.