title: Giardiasis and vitamin B12 deficiency.
mesh_terms: D000328:Adult; D005260:Female; D005873:Giardiasis / Q000150:complications*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*; D014806:Vitamin B 12 Deficiency / Q000209:etiology*