title: Environmental modification of gene expression: iron deficiency masks erythrocytosis in a female with hemoglobin Olympia.
mesh_terms: D000293:Adolescent; D000747:Anemia, Hypochromic / Q000097:blood / Q000150:complications*; D004586:Electrophoresis; D004912:Erythrocytes / Q000032:analysis; D006455:Hemoglobins, Abnormal / Q000032:analysis / Q000302:isolation & purification; D006801:Humans; D008297:Male; D010455:Peptides / Q000032:analysis; D011086:Polycythemia / Q000097:blood / Q000150:complications*
chemical_list: D006455:Hemoglobins, Abnormal; D010455:Peptides