http://omg.sfmg.org/content/donnees/donnees.php?rc_id=110 France scientific and technical information international classification of diseases age distribution hoarseness signs and symptoms france prevalence diagnosis office visits epidemiology incidence
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--- http://agence-prd.ansm.sante.fr/php/ecodex/extrait.php?specid=67397370 2012 France summary of product characteristics package leaflet hoarseness
--- http://agence-prd.ansm.sante.fr/php/ecodex/extrait.php?specid=65577971 2012 France summary of product characteristics package leaflet hoarseness