Statistical comparison of the first five years functioning MIC project no. 505. 

 - n.p.  s.l.  1968] 
 - 1 v. (various pagings)  tables. 
<br/><br/> Mimeographed. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maternal and infant welfare--Statistics.--Puerto Rico