Fredouille, Catherine Fetal heart ultrasound : - 2nd edition - London : Churchill Livingstone, 2014. - xv, 184 p . : ill . ; (some col); 24 cm. includes references and index ISBN: 0702043419 (pbk.) 9780702043413 (pbk.) Subjects--Topical Terms: Fetal heartFetal Heart Dewey Class. No.: 618.326 / 22