Modernization and status of the aged: international correlations.
D000368:Aged; D001208:Asia; D002489:Central America; D003431:Cross-Cultural Comparison; D004522:Educational Status; D004651:Employment; D005060:Europe; D005260:Female; D006801:Humans; D008297:Male; D009656:North America; D009790:Occupations; D012922:Social Change; D012938:Social Perception; D012959:Socioeconomic Factors