title: Letter: Cytoplasmic staining of pituitary adenoma cells with the papanicolaou stain.
mesh_terms: D002277:Carcinoma / Q000175:diagnosis*; D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D006801:Humans; D010911:Pituitary Neoplasms / Q000175:diagnosis*; D013194:Staining and Labeling