Guidelines on pregnancy and work 

 - Washington, D.C. :  United States Government Printing Office,  1977 
 - Various pagings ;  30 cm. 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pregnancy<br/>Pregnancy and lactation
<br/><br/><label>Dewey Class. No.: </label>573.67