The dU suppression test using  125 I-UdR to define biochemical megaloblastosis.
D000748:Anemia, Macrocytic / Q000175:diagnosis* / Q000378:metabolism; D001853:Bone Marrow / Q000187:drug effects* / Q000378:metabolism; D004247:DNA / Q000096:biosynthesis; D003857:Deoxyuridine / Q000494:pharmacology; D005492:Folic Acid / Q000097:blood; D005494:Folic Acid Deficiency / Q000175:diagnosis; D006801:Humans; D066298:In Vitro Techniques; D007456:Iodine Isotopes; D008722:Methods; D013936:Thymidine / Q000378:metabolism; D013941:Thymine / Q000096:biosynthesis; D014316:Tritium; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis
D007456:Iodine Isotopes; D014316:Tritium; D004247:DNA; D005492:Folic Acid; D014805:Vitamin B 12; D013941:Thymine; D013936:Thymidine; D003857:Deoxyuridine