PT - JOURNAL ARTICLE AU - Szymanski, I O AU - Tilley, C A AU - Crookston, M C AU - Greenwalt, T J AU - Moore, S TI - A further example of human blood group chimaerism. AID - 10.1136/jmg.14.4.279 DP - 1977 Aug 01 TA - Journal of Medical Genetics PG - 279--281 VI - 14 IP - 4 4099 - http://jmg.bmj.com/content/14/4/279.short 4100 - http://jmg.bmj.com/content/14/4/279.full SO - J Med Genet1977 Aug 01; 14 AB - Blood group chimaerism was detected in a healthy fertile woman, not known to be a twin. Her peripheral lymphocytes had a male karyotype (46/XY); fibroblasts cultured from her skin had a female karyotype (46/XX). The mechanism of chimaerism could not be established.