title: Sickle cell hemoglobin (Hb AS) in black football players.
mesh_terms: D000531:Altitude; D000755:Anemia, Sickle Cell / Q000150:complications / Q000453:epidemiology*; D044383:Black People; D004586:Electrophoresis; D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D006801:Humans; D005082:Physical Exertion; D012959:Socioeconomic Factors; D013177:Sports; D013178:Sports Medicine; D014481:United States; D001741:Black or African American
chemical_list: D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal