AU - CARPENTER DG, CONNOLLY JM, Carter CH, Kanarek KS TI - The penta x (49,xxxxx) syndrome: Danger of confusing phenotype with mongolism PT - JOUR DP - 1979 TA - American Journal of Diseases of Children pages = {330}, VI - 133 IP - 3 AID - 10.1001/archpedi.1979.02130030106020 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1979.02130030106020 SO - American Journal of Diseases of Children March 1, 1979 133(3):330