Parkland Memorial Hospital in Dallas has allowed trainee doctors, known as residents, to operate with little or no faculty supervision, according to medical center and hospital records and testimony from doctors concerned about patient safety. One faculty supervisor who quit in protest said the mainly poor, minority patients of Dallas County's only public hospital had effectively become "clinical fodder." UT Southwestern and Parkland deny that they have put the training needs of their residents ahead of care for their patients. Such accusations, they say, originate with one demoted faculty surgeon who has sued to get his job back. But The Dallas Morning News found at least a dozen other doctors and staff who also expressed concerns about resident supervision and patient care internally over the years. So did independent consultants hired by Dallas County commissioners to study Parkland.