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Propylene glycol (PG) is a common carrier in e-vapor formulations and its properties have been extensively studied. In this 13-week subchronic nose-only inhalation study, Sprague Dawley rats were exposed to filtered air (sham control group), propylene glycol/water (PG/W; 90:10) or a propylene glycol...
ORGANISM(S): Rattus norvegicus 
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