Seward. E.H. <br/><br/>
Inhalation Analgesia in child Birth/ 
E.H. Seward, R. Bryce - Smith 
 - Oxford:  Black Well Scientific Pub,  1957 
 - vii, 58 p.:  ill.;  20 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Childbirth<br/>Analgesia<br/>Labor (Obstetrics)<br/>Nitrous oxide--Therapeutic use
<br/><br/><label>Dewey Class. No.: </label>618.45