TY - RPRT TI - Trisomy 20 mosaicism. AU - X Carbonell AU - M R Caballin AU - A Rubio AU - J Egozcue PY - 1977 DO - 10.1111/j.1651-2227.1977.tb07990.x UR - https://pubmed.ncbi.nlm.nih.gov/920172/ ID - 920172 ER -