ISBN 10 : 7313235437 ISBN 13 : 9787313235435
Vendeur : liu xing, Nanjing, JS, Chine
EUR 59,56
Autre deviseQuantité disponible : 3 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback. Pub Date: 2020-09-01 Pages: 37 Language: Chinese Publisher: Shanghai Jiao Tong University Press The World of Breathing with Mouth is a popular medical science children's book. aimed at preschool and early school children (before 10 years old) .?Children of this age are affected by the obstruction of the airway due to adenoids and/or tonsils. Unknowingly. the original nasal breathing method is changed to mouth breathing. Even if the cause of airway obstruction is removed. mouth brea.