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4. The centenarian question: old-age mortality in the Soviet Union, 1897 to 1970. Garson LK Popul Stud (Camb); 1991 Jul; 45(2):265-78. PubMed ID: 11622921 [No Abstract] [Full Text] [Related]
5. The aging of the population and health services. Vladeck BC; Firman JP Ann Am Acad Pol Soc Sci; 1983; (468):132-48. PubMed ID: 11631427 [No Abstract] [Full Text] [Related]