Original sentence: Public Health Service Syphilis Study at Tuskegee," or the "Tuskegee Experiment") was a study conducted between 1932 and 1972 by the United States Public Health Service (PHS) and the Centers for Disease Control and Prevention (CDC)
Edited sentence: Public Health Service Syphilis Study at Tuskegee," or the "Tuskegee Experiment") was an ethically unjustified study conducted between 1932 and 1972 by the United States Public Health Service (PHS) and the Centers for Disease Control and Prevention (CDC)