Haptoglobin Gene Polymorphism among Sickle Cell Patients in West Cameroon: Hematological and Clinical Implications oleh Christian Bernard Kengne Fotsing, Constant Anatole Pieme, Prosper Cabral Biapa Nya, Jean Paul Chedjou, Samuel Ashusong, Gisele Njindam, Jocelyn Tony Nengom, Georges Teto, Carine Nguemeni, Wilfred Fon Mbacham, Donatien Gatsing