title: Cytology of pulmonary carcinoid tumors.
mesh_terms: D001707:Biopsy, Needle; D002276:Carcinoid Tumor / Q000473:pathology*; D002467:Cell Nucleus / Q000473:pathology; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008875:Middle Aged