School children (1) Sampling (1) Muscles (1) Muscle strength (1) Materials (1) Lips (1) Law (1) Health (1) Electromyography (1) Deglutition (1) Fuerza muscular (1) Toma de muestras (1) Labios (1) Salud (1) Deglución (1) Electromiografía (1) Estudio (1) Escolares (1) Derecho (1) Músculos (1) Materiales (1) droit (1) classification (1)