1981 19thcentury 2008l-580 21stcentury administrativeandpoliticaldivisions adolescent adolescentbehavior africanamericans africanamericanstudies agedistribution agedistribution(demography) america americas barrier-freedesign bibliography burma cardiovasculardiseases caribbeanregion catalysis census censuses childbirth chronicdisease civilrights communicablediseases complexcompounds congresses control datacollection dd845 deliveryofhealthcare demography developingcountries disabledchildren disabledpersons economicconditions education emancipation employment entire epidemiology etc ethnicstudies fertility functions geometricalmodelsinstatistics handbooks healthandhygiene healthbehaviorinadolescence healthpolicy healthstatus healthsurveys history hospitals human humanbehavior indexes indicatorsofmorbidityandmortality internal lawandlegislation laws legalstatus lifetables lungdiseases manuals marriage mathematicalmodels medicalcare medicalpersonnel medicalstatistics metalcomplexes methodology methods migration minoritystudies morbidity mortality mortalityrate nationalhealthservices numericaldata peoplewithdisabilities periodicals population populationdynamics populationgrowth populationsurveillance prevention publichealth qualityimprovement reaction-diffusionequations recordingandregistration reference registersofbirths rehabilitation research servicesfor slaves soc001000soc006000soc020000soc023000 sociallifeandcustoms socialscience speicaleducation standards statisics statist statisticalmethods statistics studyandteaching supportedemployment teachingmaterials teenagers transitionmetals trends unitedstates vital wa900aa1m153a2008 wa900aa1m877b2014 wa950 wt500