title: Drugs and vitamin B12 and folate metabolism.
mesh_terms: D000437:Alcoholism / Q000378:metabolism; D000818:Animals; D000927:Anticonvulsants / Q000009:adverse effects; D001205:Ascorbic Acid / Q000009:adverse effects; D003276:Contraceptives, Oral / Q000009:adverse effects; D005492:Folic Acid / Q000378:metabolism*; D005493:Folic Acid Antagonists; D005494:Folic Acid Deficiency / Q000209:etiology; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D009420:Nervous System / Q000187:drug effects; D009609:Nitrous Oxide / Q000009:adverse effects; D012460:Sulfasalazine / Q000009:adverse effects; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D000927:Anticonvulsants; D003276:Contraceptives, Oral; D005493:Folic Acid Antagonists; D012460:Sulfasalazine; D005492:Folic Acid; D009609:Nitrous Oxide; D014805:Vitamin B 12; D001205:Ascorbic Acid