ISBN 10: 7504687537 ISBN 13: 9787504687531
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Language:Chinese.Paperback.Pub Date:2020-10-01 Pages:288 Publisher: China Science and Technology Press Oral health is a part of general health. Childhood is an important stage of physical and mental development in a persons life. Oral health not only affects childrens chewing and pronunciation Physiological functions such as maxillofacial development will also affect the psychological development of children.?The editor combined his more than 20 years of work and practical experience. and at .