TY - RPRT TI - Multiple small accessory marker chromosomes from different centromeric origin in a moderately mentally retarded male. AU - J R Vermeesch AU - H Duhamel AU - P Petit AU - D Falzetti AU - J P Fryns AU - P Marynen PY - 1999 DO - 10.1007/s004399900184 UR - https://pubmed.ncbi.nlm.nih.gov/10647897/ ID - 10647897 ER -