Associated movements in Yoruba school-children.
D000367:Age Factors; D044383:Black People; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D007839:Functional Laterality; D006801:Humans; D008722:Methods; D009043:Motor Activity; D009048:Motor Skills; D009420:Nervous System / Q000254:growth & development*; D009433:Neural Inhibition; D009549:Nigeria