title: [Lactase deficiency: incidence, mode of inheritance and practical implications].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007787:Lactose Intolerance / Q000150:complications / Q000453:epidemiology; D007789:Lactose Tolerance Test; D008297:Male; D008800:Mexico; D012737:Sex Factors; D012959:Socioeconomic Factors
vernacular_title: Deficiencia de lactasa: frecuencia, modo de herencia e implicaciones prácticas.