andservices anthropology childhealthservices children'sstudies childrenofimmigrants childwelfare communityhealthservices deliveryofhealthcare demography education emigrationandimmigration environmentandpublichealth epidemiologicmeasurements healthandhygiene healthcarefacilities healthservices manpower populationcharacteristics populationdynamics publichealth servicesfor socialscience socialsciences socialwelfare socioeconomicfactors sociology sociologyandsocialphenomena unitedstates wa320f9311998