AU - Purtilo DT, Sullivan JL TI - IMmunological bases for superior survival of females PT - JOUR DP - 1979 TA - American Journal of Diseases of Children pages = {1251-1253}, VI - 133 IP - 12 AID - 10.1001/archpedi.1979.02130120043008 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1979.02130120043008 SO - American Journal of Diseases of Children December 1, 1979 133(12):1251