Fetal echocardiography: The technique C. Villalain; B. de la Parte; E. Gómez Montes; A. Galindo;

Update on second trimester ultrasound scanning in pregnancy I. Pelayo-Delgado; E. Gómez-Montes; M. Álvaro-Navidad;

Methodology and utility of intrapartum ultrasound J.A. Sainz-Bueno; C. Fernandez-Conde; L. Castro; R. García-Jiménez; J.A. García-Mejido; C. Borrero;