1. Screening f-or hepatitis B virus markers is not jUstified in wvest African transfusion centres;Ryder, R.W.; Whittle, H.C.; W.'o(jiecowskv;Lancet,1984
2. Comparative sensitivity of cross over electrophoresis and complement fixation tests for the detection of Australia antigen;RN', Shanmugamii; Tj, JohllI; PUG, Hill; RH, Cartnan,1973