TY - BOOK AU - Mohammed Ibahim TI - Validity of electrocardiography and pulmonary function test in comparison with ECHO Cardiography in diagnosing pulmonary artery hypertension in COPD Patients PY - 2021/// CY - PONDICHERRY PB - MGMCRI,SBV KW - PULMONARY MEDICINE N1 - DR.PAJANIVEL, PROFESSOR HEAD OF THE DEPT OF PULMONARY MEDICINE N2 - M.D PULMONARY MEDICINE ER -