TY - JOUR TI - A ring D chromosome in association with down's syndrome-like phenotype PY - 1973 AU - Wajntal, Anita AU - Saldanha, Pedro Henrique AU - Diament, Aron Judka T2 - Arquivos de Neuro-Psiquiatria SN - 0004-282X PP - São Paulo VL - 31 IS - 1 SP - 32-37 ER -