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1by Chimsuku,L., Verhoeff,F. H., Maxvell,S. M., Broadhead,R. L., Thomas,A., Van der Kaay,H. J., Russell,W., Brabin,B.
Published 1994Digital revistaSCIELO -
2by Klinkenberg, Eveline, Onwona-Agyeman, K.A., McCall, P.J., Wilson, M.D., Bates, I., Verhoeff, F.H., Barnish, G., Donnelly, M.J.
Published 2010-07Journal Article bibliotecaCGIAR -
3by Klinkenberg, Eveline, McCall, P.J., Wilson, M.D., Akoto, A.O., Amerasinghe, Felix P., Bates, I., Verhoeff, F.H., Barnish, G., Donnelly, M.J.
Published 2006Journal Article bibliotecaCGIAR