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Results 1 - 1 of 1 for Congenital lactase deficiency
  1. Lactose intolerance 
    ... lactase has both genetic and non-genetic causes.Congenital lactase deficiency, also called congenital alactasia, is a disorder in ... break down much of the lactose in milk. Congenital lactase deficiency is a rare disorder, though its exact incidence ...
    https://medlineplus.gov/genetics/condition/lactose-intolerance - Genetics