pellman and other members of the nfl's mtbi committee attacked dr.per. >> "these statements are based on a complete misunderstanding of the relevant medical literature..." >> narrator: they even questioned whether mike webster was suffering from neurological problems. >> "there is inadequate clinical evidence that the subject had a chronic neurological condition..." >> the league officials, the doctors and scientists serving on the mtbi committee, not only disputed those findings, they went after dr. omalu with a vengeance. they publicly said he should retract his findings. >> narrator: the nfl doctors insisted dr. omalu was misunderstanding the science of brain injury. >> "we therefore urge the authors to retract their paper..." >> it's an extraordinary move under any circumstances. like, you don't try to get a paper retracted unless there's evidence of fraud or plagiarism or something like that. >> "omalu et al.'s description of chronic traumatic encephalopathy is completely wrong." >> they went after him with missiles, i mean, like a nuclear missi