Comment on

• Augmentation by erythropoietin of the fetal-hemoglobin response to hydroxyurea in sickle cell disease.

  Rodgers GP, Dover GJ, Uyesaka N, Noguchi CT, Schechter AN, Nienhuis AW. Rodgers GP, et al. N Engl J Med. 1993 Jan 14;328(2):73-80. doi: 10.1056/NEJM199301143280201. N Engl J Med. 1993. PMID: 7677965
• A short-term trial of butyrate to stimulate fetal-globin-gene expression in the beta-globin disorders.

  Perrine SP, Ginder GD, Faller DV, Dover GH, Ikuta T, Witkowska HE, Cai SP, Vichinsky EP, Olivieri NF. Perrine SP, et al. N Engl J Med. 1993 Jan 14;328(2):81-6. doi: 10.1056/NEJM199301143280202. N Engl J Med. 1993. PMID: 7677966 Clinical Trial.