Lee, T K The value of imprint cytology in tumor diagnosis: a retrospective study of 522 cases in northern China. [electronic resource] - Acta cytologica - 169-71 p. digital Publication Type: Journal Article ISSN: 0001-5547 Subjects--Topical Terms: ChinaCytodiagnosisFalse Negative ReactionsFalse Positive ReactionsHumansNeoplasms--diagnosisRetrospective Studies