AU - Gelfand HM, Potash L, LeBlanc DR, Fox JP TI - INtrafamilial and interfamilial spread of living vaccine strains of polioviruses PT - JOUR DP - 1959 TA - Journal of the American Medical Association pages = {2039-2048}, VI - 170 IP - 17 AID - 10.1001/jama.1959.03010170001001 [doi] 4100 - http://dx.doi.org/10.1001/jama.1959.03010170001001 SO - Journal of the American Medical Association August 22, 1959 170(17):2039