Lettvin, Maggie. <br/><br/>
Maggie's back book :  healing the Hurt in Your Lower Back / 
Maggie Lettvin ; illustrated by Ruth McCambrige. 
 - Boston :   Houghton Mifflin,  1976. 
 - 160 p. :  ill. ;  23 cm. 
 - 617.547 (NLA) .
<br/><br/>Bibliogr. : p. 159-160. 
<br/><br/><label>ISBN: </label>0395248981 0395251478(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ոսկրաբուժություն
<br/><br/><label>Universal Decimal Class. No.: </label>617.547 (NLA)