Ayerza Casas, Ariadna <br/><br/>
[Perinatal health indicators: differences between the information recorded by the National Institute of Statistics and by the hospitals].  [electronic resource] 

 -  Revista espanola de salud publica   
 - 1-4 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>2173-9110 
<br/><br/><label>Standard No.: </label>10.4321/S1135-57272015000100001  doi