title: Rate of change of sickle allele frequency may be influenced by total fertility rate: a sesquicentenary reflection on human micro-evolution.
authors: Colin A
authors: CA
authors: McKenzie
authors: Neil A
authors: NA
authors: Hanchard
authors: Rosalind
authors: R
authors: Harding
authors: Ian
authors: I
authors: Hambleton
authors: Bernadette
authors: B
authors: Modell
mesh_terms: D000755:Anemia, Sickle Cell / Q000235:genetics*; D005075:Biological Evolution; D001723:Birth Rate / Q000639:trends*; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007563:Jamaica / Q000453:epidemiology