ACTN3 genotype is not associated with elite endurance athlete status in Ethiopians and Kenyans. - Yang,N.; MacArthur,D.; Wolde,B.; Onywera,V.O.; Boit,M.K.; Wilson,R.H.; Scott,R.A.; Pitsiladis,Y.P.; North,K. (Med Sci Sports Exerc, 2005)