Serum retinol is influenced by social factors and antioxidant nutrients among adolescent girls in urban Bangladesh

acide ascorbique acido ascorbico antioxidantes antioxidants antioxydant ascorbic acid bangladesh blood carence en vitamine children cholesterol cinc cobre colesterol copper cuivre deficiencia de vitaminas enfant estado nutricional estructura social jeunesse juventud nutrientes nutrients nutritional status oligoelementos retinol sang sangre social structure structure sociale substance nutritive tocoferoles tocopherol tocopherols trace elements vitamin deficiencies vitamin e vitamina e vitaminas vitamine vitamine e vitamins youth zinc