Chudleigh, Patricia. <br/><br/>
Obstetric ultrasound :  how, why and when / 
Patricia Chudleigh and J. Malcolm Pearce. 
 - Edinburgh :  Churchill livingstone,  1986. 
 - 194 p. :  ill. ;  25 cm. 
<br/><br/>Includes index and bibliography. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonics in obstetrics.<br/>Pregnancy complications--Diagnosis.<br/>Prenatal diagnosis--Methods.