Plaintiffs' expert's opinion rejected as 'conclusory'.
D002423:Cause of Death; D005104:Expert Testimony / Q000331:legislation & jurisprudence*; D006801:Humans; D008318:Malpractice / Q000331:legislation & jurisprudence*; D009103:Multiple Sclerosis / Q000188:drug therapy / Q000451:nursing; D009741:Nursing Staff, Hospital / Q000331:legislation & jurisprudence*; D011787:Quality of Health Care / Q000331:legislation & jurisprudence*; D013781:Texas