title: Letter: Down's syndrome, leukaemia and maternal thiamine deficiency.
mesh_terms: D004314:Down Syndrome / Q000209:etiology*; D005260:Female; D006801:Humans; D007938:Leukemia / Q000209:etiology*; D011247:Pregnancy; D011248:Pregnancy Complications; D013832:Thiamine Deficiency / Q000150:complications*