title: Intrarater variation--more studies are needed.
authors.forename: Paul G
authors.initials: PG
authors.lastname: McDonough
mesh_terms: D002452:Cell Count / Q000379:methods; D005260:Female; D006801:Humans; D007694:Killer Cells, Natural / Q000166:cytology*; D015588:Observer Variation; D011247:Pregnancy / Q000502:physiology*; D015203:Reproducibility of Results; D014599:Uterus / Q000166:cytology*