title: Cytology or biopsy.
authors.forename: S R
authors.initials: SR
authors.lastname: Newcom
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000473:pathology*; D001707:Biopsy, Needle; D005188:False Negative Reactions; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D009626:Terminology as Topic