[This little thing on which much depends...].
Gervaise
Sylvie
S
D000223:Adaptation, Psychological; D001010:Anxiety, Separation / Q000517:prevention & control; D002648:Child; D002652:Child Behavior; D002675:Child, Preschool; D006801:Humans; D009769:Object Attachment; D010988:Play and Playthings / Q000523:psychology*; D002666:Psychology, Child