title: False-negatives in thyroid nodule aspiration cytology.
authors.forename: C M
authors.initials: CM
authors.lastname: Ng
authors.forename: C H
authors.initials: CH
authors.lastname: Choi
authors.forename: S C
authors.initials: SC
authors.lastname: Tiu
mesh_terms: D044963:Biopsy, Fine-Needle; D002291:Carcinoma, Papillary / Q000175:diagnosis; D005188:False Negative Reactions; D006801:Humans; D008207:Lymphatic Metastasis; D013964:Thyroid Neoplasms / Q000175:diagnosis; D016606:Thyroid Nodule / Q000473:pathology*