AU - PENNY R, HOFFMAN P, BARTON L TI - Congenital hypothyroidism in spanish-surnamed infants in southern california: Increased incidence and clustering of occurrence PT - JOUR DP - 1989 TA - American Journal of Diseases of Children pages = {640-641}, VI - 143 IP - 6 AID - 10.1001/archpedi.1989.02150180018004 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1989.02150180018004 SO - American Journal of Diseases of Children June 1, 1989 143(6):640