title: Increased fertility in males with the sickle cell trait?
mesh_terms: D000755:Anemia, Sickle Cell / Q000235:genetics*; D005298:Fertility; D005334:Fever; D006579:Heterozygote; D006801:Humans; D008288:Malaria / Q000453:epidemiology; D008297:Male; D012737:Sex Factors