1Terasaki Pt, Gjertson D, Bemoco D, et al. Twins with two different fathers identified by HLA. NEW Eng J Med, 1978,299:590.
2Majsky A, Kout M. Another ease of occurrence of two different fathers of twins by HLA typing. Tissue Antigens, 1982,20:305.
3Spiclman W, Kuhnl P. The efficacy of modem blood group genetics with regard to a case of probable superfecundation. Haematologia (Budap) , 1980,13:75.
