Standards of prenatal care;  an outline for the use of physicians ... 

 - Washington,  U.S. Govt. print. off.,  1939. 
 - ii, 5 p.  ill. 
 - Bureau publication  no. 153 [rev. 1939] .
 - United States.  Children's Bureau.  Publication ;  no. 153. .
<br/><br/> At head of title: United States Department of labor.  Frances Perkins, secretary.  Children's bureau.  Katharine F. Lenroot, chief.  "First published in 1925 ...  The revision was made by Edwin Daily, M. D. ... with the assistance of the Bureau's advisory committee of obstetricians." - Letter of transmittal. 
<br/><br/><label>LCCN: </label>l  39000105  
<br/><br/><label>LC Class. No.: </label>RG563  / .U65 1939 
<br/><br/><label>National Library of Medicine Call No.: </label>W1  / UN6181 no.153 1939