Pionero saludable. 

 - Ponce, P.R.  1991- 
 - volumes :  illustrations (black and white) ;  28 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Student Health Services<br/>Health Education
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Periodicals.