TY - RPRT TI - Letter: Mongolism by tertiary trisomy. AU - R S Chaganti AU - G Morillo-Cucci AU - M Degnan AU - J German PY - 1975 DO - 10.1016/s0140-6736(75)91813-9 UR - https://pubmed.ncbi.nlm.nih.gov/47133/ ID - 47133 ER -