TY - BOOK AU - Tyagi Anil Kumar AU - Dr Sushma Chawla Supervisor AU - University of Delhi. Faculty of Medical Sciences. Department of Radio-Diagnosis ED - University of Delhi. Faculty of Medical Sciences. Department of Radio-Diagnosis TI - Evaluation of pulmonary and mediastinal masses by percutaneous transthoracic aspiration biopsy PY - 1992/// KW - DIAGNOSIS ER -