TY - RPRT TI - Tetrasomy 9p: confirmation by enzyme analysis. AU - S J Moedjono AU - B F Crandall AU - R S Sparkes PY - 1980 DO - 10.1136/jmg.17.3.227 UR - https://pubmed.ncbi.nlm.nih.gov/7401135/ ID - 7401135 ER -