Mmbando BP, Mgaya J, Cox SE, Mtatiro SN, Soka D, Rwezaula S, Meda E, Msaki E, Snow RW, Jeffries N, Geller NL, Makani J(2015). Negative epistasis between Sickle and Foetal haemoglobin suggests a reduction in protection against malaria. PLoS One, 10: e0125929[PMCID: 4428884] ,[PMID:25965586]