Primary Coverage PART1 The divison fo the elderly age An aging society The status quo of elderly in China United Nations Principles for Older Persons PART2 Drugs and the elderly Vital signs in the elderly 2014.11.27 2014.11.27 Primary Coverage PART1 PART2 The divison fo the elderly age An aging society The status quo of elderly in China United Nations Principles for Older Persons Drugs and the elderly Vital signs in the elderly