Bryan, Elizabeth <br/><br/>
Twins and higher multiple birhts :  a guide to their nature and nurture / 
[by] Elizabeth Bryan 
 - London :  Arnold ,  1992 
 - 259 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>034054452X 
<br/><br/><label>National Library of Medicine Call No.: </label>WQ235