echocardiography: corrected systolic ejection time of pulmonary valve at end of expiration
echocardiography: corrected systolic ejection time of pulmonary valve at end of expiration
echocardiography: corrected systolic ejection time of pulmonary valve at end of expiration (procedure)
echocardiography: corrected systolic ejection time of pulmonary valve at end of expiration (procedure)