title: Folic acid deficiency: early onset of megaloblastosis.
mesh_terms: D000368:Aged; D000748:Anemia, Macrocytic / Q000209:etiology*; D001344:Autopsy; D001855:Bone Marrow Diseases / Q000209:etiology; D005260:Female; D005494:Folic Acid Deficiency / Q000150:complications*; D006801:Humans; D008103:Liver Cirrhosis / Q000473:pathology; D008875:Middle Aged; D010288:Parenteral Nutrition / Q000009:adverse effects