Testing (2) Pruning (2) Methods (2) Genes (2) Vitamin A deficiency (2) Vitamin A (2) People with social disabilities (2) Retinoids (2) Possibility (2) Outcasts (2) Medical sciences (2) Marginality, Social (2) Hypothesis (2) High performance liquid chromatography (2) Methods (2) Ursa Minor (2) Science (2) Metabolism (2) Avitaminosis A (2) Retinoides (2) Ensayos (Tecnología) (2) Vitamina A (2) Posibilidad (2) Ciencias biomédicas (2) Ciencias (2) Genes (2) Poda (2) Metabolismo (2) Marginados sociales (2) Cromatografía líquida de alta resolución (2)