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2. The Role of Pleural Biopsy in the Study of Patients with Pleural Effusions;Donohoe;Bull. Georgetown Univ. Med. Center,1957
3. New Pleural Biopsy Needle;Cope;J. A. M. A.,1958
4. A Pleural Biopsy Punch;Abrams;Lancet,1958
5. Role of Biopsy in the Diagnosis of Pleural Disease;Heller;J. Lancet,1957