00290nam a22001217a 4500015001100000020001800011082001200029100002100041245002900062260004600091300001200137760001900149 a005607 a0-7279-0263-6 a575 K35 dKingston Helen m aABC of Clinical Genetics aLondonbBritish Medical Associationc1989 a1-62pgs bNo. 1 cupboard