1. Percutaneous biopsy using a safe effective needle;Arntson;>Radiology,1978
2. Needle diagnosis of pneumonitis;Bandt;>J.A.M.A.,1972
3. A late look at the safety of aspiration biopsy;Berg;>Cancer,1962
4. The cyto-diagnosis of malignant lymphoma and Hodgkin's disease in spinal, pleural and ascitic fluids;Billingham;>Acta Cytol.,1975
5. High speed trephine lung biopsy: Methods and results;Boylen;>Chest,1973