Translation, adaptation and validation of an epilepsy screening instrument in two Ghanaian languages by Darkwa, EK, Asiamah, S, Awini, E, Sottie, C, Godi, A, Williams, JE, Akpalu, A, Cross, JH, Sander, JW, Sen, A, Newton, CR, Danso-Appiah, A, Adjei, P