1. Needle biopsy of the lung;Avasthi, P.S.; Chakravarty, S.N.; Gupta, S.P.;J. Indian med. Ass,1962
2. An aspiration trepan for tissue biopsy;Christiansen, H.;Acta radiol. (Stockh.),1940
3. Allergic granulomatosis, allergic angiitis, and periarteritis nodosa;Churg, J.; Strauss, L.;Amer. J. Path,1951
4. Aspiration biopsy of tumors of the lung;Craver, L.F.; Binkley, J.S.;J. thorac. Surg,1939
5. Transthoracic Needle Biopsy;Dahlgren, S.; Nordenstrom, B.,1966