title: First-cousin marriage and sickle-cell anaemia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000755:Anemia, Sickle Cell / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D003241:Consanguinity; D005260:Female; D006801:Humans; D008297:Male