Langsjoen, Odin <br/><br/>
Can coca-leaf chewing cause premature tooth loss? 

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<br/><br/><label>Subjects--Topical Terms: </label><br/>COCA<br/>ENFERMEDADES DE LA BOCA<br/>POBLACION INDIGENA<br/>VIDA Y COSTUMBRES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>CHILE