How does ultrasound work to create a picture of my baby? / Kate Wildman. - Asia Edition. - Singapore: JSIM Education, 2022. - 90 page. - BBC Earth. Do You Know? Vol. 15 (2). 2737-5560. . ISSN: 2737-5560 Subjects--Topical Terms: Ultrasound. Dewey Class. No.: BBC Earth W6468 2022