title: The frequency of heterozygosity for S and C hemoglobins in Western Pennsylvania.
mesh_terms: D000293:Adolescent; D000328:Adult; D000755:Anemia, Sickle Cell / Q000453:epidemiology / Q000235:genetics*; D044383:Black People; D001797:Blood Protein Electrophoresis; D002648:Child; D002675:Child, Preschool; D005260:Female; D005787:Gene Frequency; D006444:Hemoglobin C / Q000032:analysis*; D006451:Hemoglobin, Sickle / Q000032:analysis*; D006455:Hemoglobins, Abnormal / Q000032:analysis*; D006579:Heterozygote; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010414:Pennsylvania; D001741:Black or African American
chemical_list: D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D006444:Hemoglobin C