Disability experience under the Civil Service Retirement system--1955-1974.
D000328:Adult; D000367:Age Factors; D001847:Bone Diseases; D002318:Cardiovascular Diseases; D003638:Deafness; D004185:Disability Evaluation; D004608:Eligibility Determination; D005128:Eye Diseases; D005260:Female; D005767:Gastrointestinal Diseases; D006076:Government; D006801:Humans; D007592:Joint Diseases; D008297:Male; D001523:Mental Disorders; D008875:Middle Aged; D012140:Respiratory Tract Diseases; D012179:Retirement; D012737:Sex Factors; D012943:Social Security; D014481:United States