title: Phenotypic variation in sickle cell trait.
mesh_terms: D000328:Adult; D000740:Anemia / Q000097:blood; D000747:Anemia, Hypochromic / Q000097:blood; D000755:Anemia, Sickle Cell / Q000097:blood*; D005260:Female; D005494:Folic Acid Deficiency; D014644:Genetic Variation; D005914:Globins / Q000096:biosynthesis; D006454:Hemoglobins / Q000378:metabolism*; D006579:Heterozygote; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D010641:Phenotype; D012805:Sickle Cell Trait / Q000097:blood* / Q000235:genetics; D013789:Thalassemia / Q000097:blood
chemical_list: D006454:Hemoglobins; D005914:Globins