Gonzalez Fiol, A Making the case to acquire a transthoracic echocardiogram probe. [electronic resource] - International journal of obstetric anesthesia 02 2020 - 127-128 p. digital Publication Type: Letter ISSN: 1532-3374 Standard No.: 10.1016/j.ijoa.2019.05.005 doi Subjects--Topical Terms: Echocardiography--instrumentationHumansUltrasonography--methods