Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback Pages Number: 72 With the rapid economic development of our society. people's living and health standards continue to improve the growth of the elderly population is becoming a series of social problems. How to improve the quality of life of older persons. the elderly years of life more comfortable. warm. healthy. well-being issues of common concern of all levels of government and society as a whole. 50-year-old boarded the Lifeline Express: elderly health widespread and urgent need.