Quality control in the cytology laboratory.
D003585:Cell Biology / Q000193:education; D019411:Clinical Laboratory Techniques / Q000592:standards*; D003581:Cytodiagnosis; D005188:False Negative Reactions; D007753:Laboratories / Q000592:standards; D011786:Quality Control; D013048:Specimen Handling; D013223:Statistics as Topic; D000078329:Workforce