Intrauterine fetal visualization / Michael M, Kaback and Carlo, Valenti. - Excerpta Medica : Amsterdam, 1976. - 279 p. : ill. ; 25 cm. - International congress series ; no.371. . - International congress series ; no.371. . ISBN: 0444151966 LCCN: 75-046570 //r88 Subjects--Topical Terms: Fetoscopy--CongressesPrenatal diagnosis--CongressesFetus--Ultrasonic imaging--Congresses