MS: nurse practitioner's affidavit barred: nurse expert's testimony held inadmissible.
D005104:Expert Testimony; D005260:Female; D006801:Humans; D008318:Malpractice / Q000331:legislation & jurisprudence*; D008922:Mississippi; D009722:Nurse Practitioners / Q000331:legislation & jurisprudence*; D012390:Root Canal Therapy / Q000009:adverse effects*